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Icon-zero-oneThis article is about a Rider in Kamen Rider Zero-One.

"Violations of the Special A.I. Act spotted. Destroying targets."
―Yua's pre-battle catchphrase as a Rider.[src]

"Eliminating target. Equip."
―Yua's pre-battle catchphrase as a Raider.[src]

"I don't have a dream, but I do have beliefs."
―Yua after affirming her resentment towards Gai.[src]

"This is my resignation."
― Yua after punching Gai Amatsu, signalling her defection from ZAIA.[src]

Yua Yaiba (刃 唯阿, Yaiba Yua) is an engineer of A.I.M.S. who transforms into Kamen Rider Valkyrie (仮面ライダーバルキリー, Kamen Raidā Barukirī). She temporarily was the Fighting Jackal Raider (ファイティングジャッカルレイダー, Faitingu Jakkaru Reidā) before her defection.



Yua Yaiba (Student)

Yaiba during her college days.

Yua Yaiba was born on April 18, 1995. At age 21, she became employed at ZAIA Enterprise Japan under Gai Amatsu's tenure. Yaiba placed as the technical advisor for A.I.M.S., putting her in charge of major A.I.M.S. weaponry developed by ZAIA Japan. She was assigned to observe Isamu Fuwa to prepare him to become A.I.M.S.' latest Kamen Rider. At some point, she unknowingly received an A.I. chip implanted into her brain in order to properly use the Shotriser.

The MetsubouJinrai Mystery[]

Yua First Scene

Yaiba leading the A.I.M.S. squad

"As long as you have a backup, you can restore them whenever you want. That's what artificial intelligence is. Even for Humagears. Destroy one, and you can always make another. They are just tools."
―Yaiba on her inital views of the Humagear[src]
Valkyrie Debut

Yaiba as Kamen Rider Valkyrie

Yua Yaiba was deployed with Isamu Fuwa and his A.I.M.S. squad to subdue the rampaging Trilobite Magia at a local amusement park. As more began to overwhelm the soldiers, Fuwa entered the van to use the A.I.M.S. Shotriser without Yaiba's authorization. After containing the threat, Fuwa and Yaiba visited Hiden Intelligence to meet with the new president, Aruto Hiden to discuss the rampage. Upon recording data of Isamu Fuwa's transformation into 'Vulcan', Yaiba is given the permission to use the A.I.M.S. Shotriser and Rushing Cheetah Progrisekey to transform into 'Valkyrie' to subdue any Humagear who violates the A.I. code.

Yua Recording

Yaiba recording the Dodo Magia's rampage

Through Gai Amatsu's advising, Yaiba would continue to provide Aruto and Fuwa additional Progrisekeys in their battles against MetsubouJinrai.net, all while collecting and recording data from them. As MetsubouJinrai.net's activities continue to escalate, Yaiba was tasked to reprogramming the Dodo Magia, but allow it to attack humans. She oversees the progress of the Gigers until MetsubouJinrai intercepts A.I.M.S.' laboratory to take the Gigers and Attache Weapons. During a battle with Horobi, Fuwa is placed in critical condition and Yaiba has no option except work with Hiden Intelligence to help Zero-One access the Breaking Mammoth state.

After Is caught Yaiba at the scene of the Dodo Magia, Fuwa begins to suspect foul play recalling her connections with ZAIA Enterprise. While she denies any wrongdoing but suggests they would be enemies one day, Fuwa promises to defeat Yaiba when the time comes. The pair continued working together to subdue the Dodo Magia. Once A.I.M.S. uncovered a traitor within Hiden Intelligence, which was later revealed to be astronaut Humagear Uchuyaro Raiden, under his true codename 'Ikazuchi'. Taking concern of Fuwa's behavior, Yaiba questions about letting her partner do what he pleases despite endangering by himself.

Yaiba participated in a raid with A.I.M.S. to take down MetsubouJinrai. She declared the terrorists were in violation in A.I. code and fought MetsubouJinrai as Valkyrie. With only Jin remaining and him launching an attack to the city, Yaiba later witnesses Aruto as Zero-One Shining Assault Hopper defeating Jin. With MetsubouJinrai dismantled, Yaiba left A.I.M.S. and transferred back to ZAIA Enterprise Japan, saying her goodbyes to Fuwa. Meeting at Gai's office, she learned of Gai Amatsu's role in Ark's rouge programming, all to tarnish Hiden Intelligence and the Humagears by manipulating MetsubouJinrai.net. Gai reassured Yaiba that the real battle was about to begin and that she would become his right-hand woman from this point on.

The Workplace Competition[]

Following Gai Amatsu's announcement to buy out Hiden Intelligence, Hiden and ZAIA engaged in a five-part Workplace Competition to pit the Humagears and ZAIA Specs to challenge their worth and functionality to the public. Yaiba was assigned to assist Gai, much to Aruto's surprise that she suddenly left A.I.M.S. Following the emergence of the Raiders, Yaiba is suspicious after knowing ZAIA Japan's Progrisekeys had been stolen. Yaiba finally comes into conflict with Isamu Fuwa having caught wind of Gai and ZAIA Japan's role in the Raiders.

Vulcan VS Valkyrie

Vulcan VS Valkyrie

Gai Amatsu had taken the opportunity to become Kamen Rider Thouser and uses every underhanded method to downplay the Humagears, even intentionally provoking them to incite malice, all while she was forced to stand silent from Gai's foul play. Under Gai's orders, Yaiba created the MetalCluster Hopper Key using Ark. Despite its intentions to lock Zero-One's authorization system, it inadvertently allowed Aruto to access Zero-One MetalCluster Hopper and corrupted the system to the Ark instead. While Yaiba remarked Zero-One had evolved, Fuwa denies believing that was even Zero-One at all. Eventually, the creation of the Progrise Hopper Blade would restore Zero-One's connection back to Zea.

While still forced under Gai's orders, even forced to hack a Humagear, Yaiba is later given a Raidriser and the Fighting Jackal Progrisekey. Despite ZAIA Japan's victories from the start of the competition, Hiden Intelligence prevailed in the latter half. This leads to the tiebreaker final round involving a referendum campaign to determine if Humagears should be welcomed to society. However, due to the fallout of rapper Humagear MC Che.ck-It-Out going berserk on live television, Yaiba is forced to dispose him by displaying her transformation into the Fighting Jackal Raider to the public.

Fighting Jackal Raider

Yaiba as the Fighting Jackal Raider

Yaiba later reveals to Fuwa they both have A.I. chips embedded in their brains. However, it turns out that Gai uploaded the data of Naki, one of MetsubouJinrai's executives, onto his chip and had them distribute Raidrisers the entire time. When Fuwa questions why Yaiba is still working for Gai, she avoids responding. With the populace losing faith on Hiden Intelligence and the Humagears, ZAIA Enterprise Japan enacts its takeover bid on the company. Gai orders Yaiba to eradicate the Humagears starting with Izu, but Fuwa stopped her and found the resolve to become RampageVulcan, who declares to fight her until he understands Yaiba's true dreams. Nevertheless, Hiden Intelligence was acquired as a subsidiary of ZAIA Japan and Yaiba still continues to work under Gai's command.

Finding True Purpose[]

Yua AIMS Captain

Yaiba as an A.I.M.S. Captain

Several days after Gai Amatsu's tenure as Hiden Intelligence CEO, Yua Yaiba became the squad captain of A.I.M.S. following Isamu Fuwa's resignation. She is tasked to eliminate the Humagear that are recalled by Hiden Intelligence and leads the Battle Raiders. While Fuwa expresses he no longer has hatred against the Humagears, he assures he'll pursue fighting A.I.M.S. and will fight Yaiba unless she finally stands up to herself.

Rampage & Jackal

Yaiba engages Fuwa as Fighting Jackal Raider

Aruto Hiden manages to retain the patents of the Humagear and Zero-One technology in order to open his new business, HIDEN Manufacturing. While she does keep an eye out on the Humagears, Yaiba led a raid on the company building in an attempt to eliminate the restored Humagears and reactivate Naki from Fuwa's chip by force transforming him into Vulcan Assault Wolf. Through a series of events, Naki managed to free themselves from Gai Amatsu's control, working together with Fuwa to fight against Thouser. Learning this made Yaiba began to question if she still had any free will left to fight against Gai.

"Didn't you know? Feelings can overcome the power technology! So I'll crush ZAIA!"
―Yaiba declaring to fight against Gai Amatsu's ambitions.[src]
Yua Punches Gai

Yaiba punches Gai Amatsu, quitting ZAIA in the process

However, Yaiba would reach her breaking point after discovering Fuwa's childhood memories during the Daybreak Town Accident were fabricated by Gai to make him more hostile towards Humagears. Yua was forced to execute Fuwa despite her hesitation, but only face her defeat again. It was then she was attacked by Gai's subordinates, losing her Raidriser and Fighting Jackal Progrise Key in process. Gai nevertheless revealed the truth to Fuwa, much to his despair. This was the last straw for Yaiba to rebel against Gai, having seen enough on how far he went to fulfill his ambitions. Having assumed the form of Kamen Rider Valkyrie once more, she fights together with Vulcan to defeat Thouser together and punches him to declare her resignation from ZAIA Enterprise. In a sign of good gesture, Yaiba collaborated with Jin to separate Fuwa and Naki.

The Ark Uprising[]

Yua with AIMS

A.I.M.S. in support of Fuwa and Yaiba

MetsubouJinrai would accomplish their goal in completely reviving the Ark, having evolved into Kamen Rider Ark-Zero. Yaiba as Kamen Rider Valkyrie arrived in Daybreak Town by Jin's request to assist in combatting Ark but ends up in critical condition due to Ark-Zero becoming unlike any enemy they've face. After her recovery in the hospital, Yaiba and Fuwa would reassociate themselves with A.I.M.S. as the threat of the Ark is reaching beyond comprehension. Following Gai Amatsu's change of heart, Yaiba vocally refused to accept his apologies, but Fuwa requested him to let A.I.M.S. operate independently from ZAIA.

Ark-One fights 3 Riders

Vulcan, Valkyrie, and Thouser engaging Ark-One

Through the innovation of Kamen Rider Zero-Two, the Ark was finally subdued and completely shut down by the efforts of Aruto Hiden and Horobi. Unfortunately, Horobi announced his intention to destroy humanity and began raising an army of Humagears. While Valkyrie and Vulcan engaged Horobi, the latter would destroy Izu and brough Aruto Hiden's advent into becoming Kamen Rider Ark-One. Believing Aruto has been possessed by the Ark, she went to confront him with Fuwa and Gai. However, Ark-One defeats the three Kamen Riders with ease and disables Valkyrie and Vulcan's A.I chips, blocking them from transforming again. She realized that Aruto isn't controlled by the Ark, but choosing to act under his own volition.

Yua at protest

Yaiba trying to settle down a Humagear protest

With tensions between humans and Humagears were being raised due to Aruto's actions as Ark-One, Yaiba attempted to convince A.I.M.S. to not harm the protesting Humagears and vice-versa. Despite Williamson Yotagaki's orders, Yaiba revealed that A.I.M.S. is no longer a subsidiary of ZAIA Japan, thanks to Gai Amatsu's efforts, and has assumed command of A.I.M.S. as the current squad commander.

Yua Final Scene

Yaiba speaks to a newly reformed A.I.M.S.

During the final battle between Aruto Hiden and Horobi, Yaiba watched the televised battle in the Thouser Department office while trying to reactivate Jin's A.I. With Fuwa and Gai, she would watch Ark-One fighting Horobi that led to Aruto letting go of his feelings of revenge. As Zero-One defeats Horobi, he spares the Humagear out of mercy. Following this final victory, Yaiba meets with the A.I.M.S. cadets and would introduce Naki as their new technical advisor, with a mission to protect A.I. for the betterment of humanity and Humagear alike.

Kamen Rider Zero-One: REAL×TIME[]

Three months after the threat of the Ark had subsided, Yaiba regains her ability to become Kamen Rider Valkyrie after Gai Amatsu restored her A.I. chip. However, a new incarnation of the Ark arises with the presence of Rihito Isshiki (S), who embarks to destroy the world and replace it with a virtual paradise. Yaiba engages the Abaddon Riders as Valkyrie engages the Abaddon Riders with the A.I.M.S. soldiers, even engaging some while riding a bike. She also gathered up information regarding the identities of the Abaddons with Naki, Shesta, and Gai. Valkyrie joins with Thouser, Horobi, Vulcan, and Jin for the final showdown against the Thinknet forces.

Zero-One Others[]

Sometime after the Thinknet crisis, Yaiba permitted Naki to help MetsubouJinrai.net in a situation. After the quartet allegedly attacked ZAIA Japan HQ, Yaiba conducted a press conference and hounded by the reporters regarding the situation. Suddenly, ZAIA Enterprise CEO Lyon Arkland arrived to accuse MetsubouJinrai.net of being a threat much to Yaiba's disagreement but couldn't respond any further as MetsubouJinrai.net hacked the live feed to declare war on ZAIA. After Kamen Rider MetsubouJinrai murdered Lyon Arkland and destroyed ZAIA Japan HQ, Yaiba was given orders by Secretary of National Defense, Shigeru Daimonji, to eliminate the runaway Rider.

Yaiba pursued Kamen Rider MetsubouJinrai as it sets sights on her. While Valkyrie and Vulcan engage the runaway Rider, MetsubouJinrai was able to overwhelm them, and the pair are forced to evacuate. After learning about the events that unfolded during the ZAIA HQ destruction, Yaiba found herself aided by Sold20 who warns them about the Solds are launching a war against A.I.M.S., loyal to MetsubouJinrai. Upon arriving at A.I.M.S. HQ, Yaiba confronts MetsubouJinrai but is protected by Sold20. She was given the Serval Tiger Zetsumerisekey before Sold20's systems shut down, allowing her to assume Kamen Rider Valkyrie Justice Serval. However, MetsubouJinrai was far too powerful, and Valkyrie was only able to briefly damage the MetsubouJinrai Driver's power system. MetsubouJinrai would later repair the damage done to the power system, leaving Yaiba having not accomplished anything. Yaiba was later brought to the hospital, which motivated Fuwa to fight MetsubouJinrai himself. Although Vulcan Lone Wolf managed to vanquish MetsubouJinrai, Yaiba arrived to see him in critical condition. Yaiba stayed behind Fuwa's side during what appeared to be his final moments.

Sometime afterwards, Yaiba had recruited Sold9 and Sold20 to A.I.M.S. and they arrive at Shigeru Daimonji's press conference during his announcement to abolish humanoid artificial intelligence. Yaiba refutes that no matter what, the will of MetsubouJinrai has moved onto the next generation of Humagear as she vows to protect them.

Other Events[]

Kamen Rider: Reiwa The First Generation[]

Yua Yaiba (Alternate Timeline)

Due to the timeline changes caused by Time Jacker Finis, Yaiba is seen fighting alongside the Human Resistance fighters against the Humagears under the command of Will.

In the mid-credit scene, Fuwa tells Yaiba about a dream where he was turned into a Humagear. He asks Yaiba to destroy him in the event that happens. Yaiba asks him about his actions if she is turned into one, Fuwa ensures her that he will crush her.

Kamen Rider: Beyond Generations[]

Future George's Tablet

Girls Remix[]

Kamen Rider Valkyrie (Girls Remix)

Valkyrie in Girls Remix

Kamen Rider Valkyrie appeared to assist Rinko Daimon and the police when they engaged a mysterious humanoid. She, however, was overpowered and the being was able to escape.[Kamen Rider Jeanne & Kamen Rider Aguilera with Girls Remix]

Video Games Appearances[]

Kamen Rider Battle: Ganbarizing[]

Kamen Rider Valkyrie , Lightning Hornet and Fighting Jackal Raider, alongside Vulcan, Zero-One, Horobi, Jin and other Riders are playable characters in Kamen Rider Battle: Ganbarizing.

Kamen Rider City Wars[]

Kamen Rider Valkyrie in City Wars

Kamen Rider Valkyrie as seen in city wars

Kamen Rider Valkyrie is a playable character alongside the other Kamen Riders. Notably, she is the first female character to appear in this mobile game in Kamen Rider City Wars.

Kamen Rider Buttobasoul[]


Kamen Rider Valkyrie medal

Kamen Rider Valkyrie is a playable character with Vulcan, Zero-One and other Riders in Kamen Rider Buttobasoul.

Battle Spirits[]

It is the tenth collaboration pack and the fifth collaboration with the Kamen Rider franchise. CB10 was released in Japan on December 21st, 2019. This set includes spirit, magic, and nexus cards in all six colors,Kamen Rider Valkyrie Rushing Cheetah, Lightning Hornet and Fighting Jackal Raider appear with other Kamen Riders and Monsters in Battle Spirits.

Valkyrie Battle Spirits Cards Included

  • Kamen Rider Valkyrie Rushing Cheetah (Common)
  • Kamen Rider Valkyrie Lightning Hornet (Master Rare)
  • Kamen Rider Valkyrie Lightning Hornet (Common)
  • Fighting Jackal Raider (Rare)



As part of Kamen Rider's collaboration with Zenonzard, cards from Zero-One, OOO, and W were available in the Japanese servers throughout September 2020.

Valkyrie Cards Included
  • Kamen Rider Valkyrie Rushing Cheetah (Common)
    • Valk - Eolia RC (English edition)
  • Kamen Rider Valkyrie Lightning Hornet (Epic)
    • Valk - Eolia LH (English edition)


Yaiba is an extremely professional and by-the-book agent, remaining levelheaded even in the most dangerous situations. She is also extremely cunning and quick witted, able to manipulate both Aruto and Isamu to suit her own ends. Due to her long-term working relationship with Gai Amatsu, it has corrupted her perspective of Humgears to the point where she sees them as nothing but tools that could simply have their data backed up if corrupted, with no inherent value beyond their use as labor.

However, despite this cold and often stoic demeanor, Yaiba does possess humanity and sympathy for others as she was worried and cried for Isamu after he was put comatose by Horobi, despite the two not always getting along. She broke her calm façade and pleaded to reverse Hiden Intelligence's order of disabling the Humagears, as it would condemn hundreds of human lives to death. Showing contrast to Gai, her superior, she continued to show a great care for Isamu's well-being even after returning to ZAIA Enterprise, as well as displaying signs rebellion against Gai. However she is fearful of betraying him due to his leverage over her with the A.I. chips inside both her and Isamu, lacking the willpower to defy him.

However by Episode 33, she snaps after she personally witnesses Gai selfishly cross a line. Although she has since defected from ZAIA Japan, she continues to wallow in guilt over being partially responsible for the Ark's revival. Thanks to Isamu's previous attempts to make her find her own self purpose, she opened her heart to him, and subsequently to others as well. Since the end of the Ark's reign, she has begun to accept Humagears and, like Aruto, recognize that they have a heart as well, eventually taking one in to work for her. When the dark era of Kamen Rider MetsubouJinrai and ZAIA's destruction reigned, Yaiba upheld her pride and never faltered in her beliefs for the group when helping Sold9 and Sold20.

Prior to entering a battle, Yaiba would say "Confirmed special A.I. law violation. Eliminating targets." (人工知能特別法違反を確認。対象を破壊する, Jinkō chinō tokubetsu-hō ihan o kakunin. Taishō o hakai suru.)


  • Skilled Combatant: To be added
  • Engineer: As the technical advisor for A.I.M.S, Yaiba has a great deal of intellect as she developed several of A.I.M.S.'s weaponry on her own.
  • Bilingualism: Yaiba was able to interpret the English spoken by Kamen Rider MetsubouJinrai back to Japanese.

Former Weaknesses[]

  • A.I. Chip: Like Isamu, Yaiba also has a computer chip implanted in her brain, allowing her to safely use the A.I.M.S. Shotriser. Unlike Isamu, she knew about the chip the entire time and is forced to follow Gai's every order, who uses the chip as a bargaining tool to control both her and Isamu. After realising the truth behind Isamu's past, Yaiba would eventually be able to show a certain level of resistance towards Gai's control. However, the Ark can still hack into her neural implants, as shown in her first battle against Kamen Rider Ark-Zero. Yaiba would lose her transformation ability after her chip was disabled by Kamen Rider Ark-One. Gai later restored Yaiba's ability to transform.


Rushing Cheetah

Rushing Cheetah

"Shotrise! Rushing Cheetah! Try to outrun this demon to get left in the dust."
―Transformation announcement[src]
Rider Statistics[1][2]
  • Rider Height: 187.8 cm
  • Rider Weight: 90.6 kg
Ability Parameters[1][2]
  • Punching Power: 11.0 t
  • Kicking Power: 28.5 t
  • Maximum Jump Height: 19.2 m
  • Maximum Running Speed: 100 m per 2.1 seconds

Rushing Cheetah (ラッシングチーター, Rasshingu Chītā) is Valkyrie's cheetah-based primary form accessed by using the Rushing Cheetah Progrisekey in the A.I.M.S. Shotriser.

Rushing Cheetah is specialized for high agility and is able to shoot with exceptional accuracy while running. All of Valkyrie's statistics in this form are slightly higher than Vulcan Shooting Wolf.

Rushing Cheetah consists of the following parts:

  • Cheetah Head (チーターヘッド, Chītā Heddo): The helmet.
    • Cheetah Border (チーターボーダー, Chītā Bōdā): The orange section on Valkyrie's forehead area. It is equipped with a measuring device and a radar system, which collects necessary information for movement. Additionally, it can improve speed and safety by sending obtained information toward the Adept Sprinter program located within the Cheetah Breast chestplate.
    • Cheetah Border Ears (チーターボーダーイヤー, Chītā Bōdā Iyā): The 'cheetah ears' attached to the Cheetah Border. They are sophisticated auditory devices that can allow Valkyrie to measure distance, speed and angle with pinpoint accuracy using a millimeter wave radar.
    • Cheetah Border Access (チーターボーダーアクセ, Chītā Bōdā Akuse): The orange 'hair' located on the sides. They are equipped with sensors that measure temperature and humidity as well as components in the air relative to the atmosphere.
    • Valkyrie Face (バルキリーフェイス, Barukarī Feisu): The white faceplate. It has a built in respiratory filter that removes impurities from the surrounding atmosphere, allowing Valkyrie to breathe (akin to a gas mask). It has been enhanced by the Cheetah Border, increasing the oxygen supply during high-speed movement. It is extremely strong and can withstand 200 meters of water pressure.
    • Valkyrie Optical Visor (バルキリーオプティカルバイザー, Barukarī Oputikaru Baizā): The yellow compound eyes. It not only allows Valkyrie to see at a 160° viewing angle at eight times the visual acuity of normal humans but also allows him to see it in night vision or shading. Additionally, they can function as an optical sight by synchronizing with the A.I.M.S. Shotriser.
    • Base Act Head (ベースアクトヘッド, Bēsu Akuto Heddo): The overall helmet. It is part of the Rise Base Actor. It is composed of Zain Ceramic (ザインセラミック, Zain Seramikku) armour and is reinforced with a laminated exterior. It is equipped with many sensors. Furthermore, it is highly adaptable, able to change its abilities according to what Progrisekey is used.
    • Base Act Communicator (ベースアクトコミュニケーター, Bēsu Akuto Komyunikētā): The 'ears'/communication devices. Located to the left and right of the Base Act Head, it integrates wireless communication devices and speakers to communicate with outside forces.
  • Rise Base Actor (ライズベースアクター, Raizu Bēsu Akutā): The bodysuit; more specifically the white/silver areas. It is composed of Zain Ceramic armor and is reinforced with a laminated exterior. It is equipped with many sensors. Furthermore, it is highly adaptable, able to change its abilities according to what Progrisekey is used.
    • Base Act Arm (ベースアクトアーム, Bēsu Akuto Āmu): The left arm. Due to it being a part of the Rise Base Actor, it amplifies the wearer's arm strength, allowing Valkyrie to lift up to 4 tons.
    • Base Act Grab (ベースアクトグラブ, Bēsu Akuto Gurabu): The left hand. Punching power is amplified and the Paw Pad Connector (パウパッドコネクタ, Pau Paddo Konekuta) located on the palm synchronizes with the A.I.M.S. Shot Riser as well as the Valkyrie Optical Visor.
    • Base Act Leg (ベースアクトレッグ, Bēsu Akuto Reggu): The left leg. Strengthens kicking power and improves running power.
    • Base Act Boot (ベースアクトブーツ, Bēsu Akuto Būtsu): The left foot. Jumping power is enhanced thanks to the Paw Pad Soles (パウパッドソールによ, Pau Paddo Sōru)
  • Cheetah Breast (チーターブレスト, Chītā Buresuto): The chest armor. It is equipped with a travel control system dubbed Adept Sprinter (アダプトスプリンター, Adaputo Supurintā) that controls Valkyrie's movement to maximize speed. They also select the optimum travel route, capture obstacles and track moving objects.
  • Cheetah Shoulder (チーターショルダー, Chītā Shorudā): The orange right shoulder piece. The lightweight exterior and aerodynamic shape reduce air resistance and generate downforce by drawing strong headwinds while sprinting. It reduces the power loss and increases the speed by suppressing the lift during sprinting and high speed turning.
  • Cheetah Arm (チーターアーム, Chītā Āmu): The right arm. Compared to the Base Act Arm, the Cheetah Arm's agility is greatly enhanced. It also functions as a balance weight during high-speed sprints.
  • Cheetah Gauntlet (チーターガントレット, Chītā Gantoretto): The right forearm armor. The aerodynamic shape increases the impact of punches dealt.
  • Cheetah Grab (チーターグラブ, Chītā Gurabu): The right hand. It is capable of high-speed finger movements, allowing Valkyrie to fire as many as 10 shots per second. In addition, it is covered with a special armor made of carbide steel dubbed ZIA209-03 (「ZIA209-03」) in the shape of a cheetah claw, allowing Valkyrie to slash enemies at super close range.
  • Cheetah Leg (チーターレッグ, Chītā Reggu): The right leg. The lightweight exterior and aerodynamic shape as well as the incorporation of a device called Earth Dasher (アースダッシャー, Āsu Dasshā) allows Valkyrie to run 100m/s. In addition, the upper border wing that protrudes out of the side creates a strong downforce without generating air resistance by adjusting the turbulent flow and creating a difference in pressure between the inside and outside.
  • Cheetah Greave (チーターグリーブ, Chītā Gurību): The lower right shin armor. They control traction and the mechanisms in the legs and optimize them based on the surface of the ground.
  • Cheetah Boot (チーターブーツ, Chītā Būtsu): The right foot. It is covered with a special armor made of carbide steel dubbed ZIA209-03 in the shape of a cheetah claw, which not only improves attack and defense but also functions like a braking device while sprinting. They also maintain speed while turning.

This form has the following finishers:

  • Shotriser finishers:
    • Rushing Blast (ラッシングブラースト, Rasshingu Burasuto): Valkyrie runs in a circle around a group of enemies and fires the Shotriser into the center of them, creating an orb of orange energy. The orb then explodes, destroying the targets.
    • Rushing Blast Fever (ラッシングブラーストフィーバー, Rasshingu Burasuto Fībā):
Appearances: Zero-One Episodes 3-4, 6-7, 9 (off-screen), 10, 12-15, 18, 23, 33, 42, Saber Prologue (Archive footage), Kamen Rider Zero-One: Final Stage, Kamen Rider Zero-One: REAL×TIME, Zero-One Others: Kamen Rider Vulcan & Valkyrie, Kamen Rider Jeanne & Kamen Rider Aguilera with Girls Remix

Lightning Hornet

Lightning Hornet

KR01-Valkyrielightninghornet (With Hornet Wings)

Lightning Hornet With Hornet Wings

"Shotrise! Lightning Hornet! Piercing needle with incredible force."
―Transformation announcement[src]
Rider Statistics[3][4]
  • Rider Height: 196.0 cm
  • Rider Weight: 89.0 kg
Ability Parameters[3][4]
  • Punching Power: 9.7 t
  • Kicking Power: 20.0 t
  • Maximum Jump Height: 28.1 m
  • Maximum Running Speed: 100 m per 4.0 seconds

Lightning Hornet (ライトニングホーネット, Raitoningu Hōnetto) is Valkyrie's hornet-based form accessed by using the Lightning Hornet Progrisekey in the A.I.M.S Shotriser.

This form grants Valkyrie an increase in jumping height, but a moderate decrease in all other stats. That is compensated, however, by the ability to fly using hornet wings produced from Valkyrie's back. In addition, hexagonal weapon bays that resemble honeycombs are built throughout the body and can launch hornet-like missiles called Hex Vespa (ヘックスベスパ, Hekkusu Besupa). Gai Amatsu claims that this form’s total firepower is 200% stronger than Rushing Cheetah.

Lightning Hornet consists of the following parts:

  • Hornet Head (ホーネットヘッド, Hōnetto Heddo): The helmet.
    • Queen Order (クイーンオーダー, Kuīn'ōdā): The forehead. In conjunction with the Hornet Border Antenna (ホーネットボーダーアンテナ, Hōnetto Bōdā Antena) and Valkyrie Optical Visor (バルキリーオプティカルバイザー, Barukarī Oputikaru Baizā), the ballistics of the missile are calculated instantaneously, and the information is input to the micro missile Hex Vespa (ヘックスベスパ, Hekkusu Besupa) loaded in each weapon bay.
    • Hornet Border (ホーネットボーダー, Hōnetto Bōdā): The gold 'hair' located on the sides. Equipped with a ballistic calculator and radar system, it collects and supports information necessary for missile attacks.
    • Hornet Border Antenna (ホーネットボーダーアンテナ, Hōnetto Bōdā Antena): The antenna on Valkyrie's forehead area. In addition to collecting peripheral information and sending it to the Queen Order (クイーンオーダー, Kuīn'ōdā) on the head, the anti-jamming system will support the micro missiles that have been ejected.
    • Valkyrie Face (バルキリーフェイス, Barukarī Feisu)
    • Valkyrie Optical Visor (バルキリーオプティカルバイザー, Barukarī Oputikaru Baizā)
    • Base Act Head (ベースアクトヘッド, Bēsu Akuto Heddo)
    • Base Act Communicator (ベースアクトコミュニケーター, Bēsu Akuto Komyunikētā)
  • Rise Base Actor (ライズベースアクター, Raizu Bēsu Akutā)
    • Base Act Arm (ベースアクトアーム, Bēsu Akuto Āmu)
    • Base Act Grab (ベースアクトグラブ, Bēsu Akuto Gurabu)
    • Base Act Leg (ベースアクトレッグ, Bēsu Akuto Reggu)
  • Hornet Breast (ホーネットブレスト, Hōnetto Buresuto): The chest. The yellow armor made of a special alloy containing gold has a very high electrical conductivity and controls lightning with dark blue armor with an insulating coating. In addition, the honeycomb frame structure of cemented carbide ZIA209-03 (「ZIA209-03」) has excellent impact dispersion performance and exhibits high strength while being lightweight. Furthermore, by storing the weapon bay in the hexagonal space of the frame, it is possible to equip the micro missile Hex Vespa (ヘックスベスパ, Hekkusu Besupa) with a lightning glaze.
  • Hornet Shoulder (ホーネットショルダー, Hōnetto Shoruda): The shoulder. A device that converts energy supplied from the A.I.M.S Shot Riser into electric shock Vespa Generator (ベースパージェネレーター, Besupa Jenereta) is built in. By supplying it to various parts of the armor, the wing of the flight Hornet Ale (ホーネットエール, Honetto Eru) is deployed and the lightning punch weapon Lightning Needle (ライトニングニードル, Raitoningu Nīdoru) oscillates. And electric shock attacks are possible.
  • Hornet Gauntlet (ホーネットガントレット, Hōnetto Gantoretto): The forearm armor. The fighting force, especially the destructive power of the punch, is improved by putting the electric shock supplied from the shoulder generator on the arm. Weapon Bay contains a micro missile Hex Vespa (ヘックスベスパ, Hekkusu Besupa) with a lightning glaze.
  • Hornet Leg (ホーネットレッグ, Hōnetto Reggu): The legs. The Rise Base Actor strengthens the wearer's leg power and greatly improves the destructive power and running power of the kick. In addition, the special armor of the thigh improves the fighting battle, especially the destructive power of the kick by putting the electric shock supplied from the generator of the shoulder on the leg. Weapon Bay contains a micro missile Hex Vespa (ヘックスベスパ, Hekkusu Besupa) with a lightning glaze.
  • Hornet Boot (ホーネットブーツ, Hōnetto Būtsu): The boots. Armor made of cemented carbide ZIA209-03 (「ZIA209-03」) improves fighting performance and defense. Furthermore, with a lightning piercing weapon that oscillates from the tip, Lightning Needle (ライトニングニードル, Raitoningu Nīdoru), a one-shot kick is released.

This form has the following finishers:

  • A.I.M.S. Shotriser finishers:
    • Lightning Blast (ライトニングブラスト, Raitoningu Burasuto): Valkyrie fires a blue energy construct of a hornet's stinger at the enemy.
    • Lightning Blast Fever (ライトニングブラストフィーバー, Raitoningu Burasuto Fībā): This finisher has four variations:
      • Valkyrie flies up to an enemy in the air and creates a large blue energy construct of a hornet's stinger covered in electricity on her right foot before performing a flying kick, impaling the target in the process. Valkyries then crashes the impaled enemy into the ground, destroying it.
      • Valkyrie flies around the enemy while rapidly shooting it with the Shotriser before firing a construct of a hornet that flies into the target.
      • Valkyrie leaps into the air and creates a large blue energy construct of a hornet's stinger covered in electricity on her right foot before performing a flying kick. Upon striking the enemy, she fires a blue energy construct of a hornet's stinger from the Shotriser right at the energy construct of her right foot, causing a combined force that knocks the opponent at long distance.
      • Valkyrie launches a swarm of hornet constructs from her chest while flying to carpet bomb opponents.
  • Attache Shotgun finishers:
    • Kaban Shot (カバンショット, Kaban Shotto): Vulcan augments the Kaban Shot with the power of the inserted Progrisekey.
      • Freezing Bear - Freezing Kaban Shot (フリージングカバンショット, Furījingu Kaban Shotto): Valkyrie fires a blast of energy that partially freezes the enemy upon impact.
Appearances: Zero-One Episode 6-8, 10-11, 13, 15, 23, 33, 36, 43, Kamen Rider Zero-One: Final Stage, Kamen Rider Zero-One: REAL×TIME

Fighting Jackal Raider
KR01-Fighting Jackal Raider

Fighting Jackal Raider

"Raidrise! Fighting Jackal! Deciding the fate of a battle like a Valkyrie."
―Transformation announcement via Raidriser[src]
  • Height: 202.4 cm
  • Weight: 104.6 kg

Fighting Jackal Raider (ファイティングジャッカルレイダー, Faitingu Jakkaru Reidā) is Kamen Rider Valkyrie's upgrade form,[7] accessed by using the Fighting Jackal Progrisekey in the Raidriser.

Kamen Rider Valkyrie's combat data is reflected in the drive system of each body part, and in close combat its performance surpasses Valkyrie Rushing Cheetah. Yaiba lost access to this form after defecting from ZAIA Enterprise Japan.

  • Territory Scythe (テリトリーサイズ, Teritorī Saizu): The large scythe that can increase its sharpness to the maximum by being charged with energy. Any target that steps within a 3.2 meter radius of the Fighting Jackal Raider can be instantly killed with its ultra-hard steel blade.
  • Agility: The Fighting Jackal Raider is highly agile and specializes in close-range martial arts, which makes use of movements fast enough to leave afterimages in order to quickly attack the enemy's blind spot.
  • Fighting Bolide (ファイティングボライド, Faitingu Boraido): The Fighting Jackal Raider dashes past the enemy while delivering a horizontal slash with the Territory Scythe, sending them a short distance into the air. She then strikes the falling enemy with a one-handed downward slash, smashing them into the ground.
Appearances: Zero-One Episode 28-33, Saber Episode 0 (Archive footage).

Justice Serval

Justice Serval

"Shotrise! Serval Tiger! Blades spun by justice that protects lives."
―Transformation announcement[src]
Rider Statistics
  • Rider Height:
  • Rider Weight:
Ability Parameters
  • Punching Power:
  • Kicking Power:
  • Maximum Jump Height:
  • Maximum Running Speed:

Justice Serval (ジャスティスサーバル, Jasutisu Sābaru) is Valkyrie's Smilodon-based Final Form accessed by using the Serval Tiger Zetsumerisekey in the A.I.M.S Shotriser.

Much like with Orthros Vulcan, since the form uses a Zetsumerisekey to force the transformation rather than a Progrisekey, it is extremely unstable as a consequence.

This form has the following finishers:

  • Shotriser finishers:
    • Justice Blast (ジャスティスブラースト, Jasutisu Burasuto):
    • Justice Blast Fever (ジャスティスラーストフィーバー, Jasutisu Burasuto Fībā): While lying down, Valkyrie raises her leg to strike a falling enemy, producing electricity upon impact. Her foot strikes the enemy's Driver, damaging it.
This form is exclusive to Zero-One Others: Kamen Rider Vulcan & Valkyrie




Suit-Equipped Weapons

  • Hex Vespa: Hornet-like missiles located in Lightning Hornet's upper body.


  • A.I.M.S. Motorcycle - Personal motorcycle



  • Isamu Fuwa/Kamen Rider Vulcan: Despite being assigned to the same team, Isamu and Yaiba often bicker, causing her to deny him authorized usage of the Shotriser and any of his Progrisekeys. Yaiba monitored Isamu's growth as Vulcan for ZAIA Japan, ultimately contributing data to the ZAIA Thousandriver. Despite her affiliation with ZAIA Japan and returning to Gai, she has shown a great amount of personal care for Isamu's well being, as he is always putting himself in dangerous, life-threatening situations just for fulfilling his revenge towards MetsuboJinrai.net. Her personal feelings for Isamu restrict her from fully following Gai's orders to eliminate him. After hearing of Isamu's true past from Gai, she tried to protect Isamu from hearing it as she thought it would emotionally destroy him, though it was Isamu's response that ultimately encouraged Yaiba to betray Gai. After her resignation, Isamu responded with a smile. After being confined to the hospital upon being defeated by Ark-Zero, she apologized to Isamu for her past deeds, which he forgave her for. When Gai apologized to Isamu and Yaiba for using them, she stands up for Isamu's sake, saying his actions robbed him of a normal life.
  • Aruto Hiden/Kamen Rider Zero-One: At first glance, it seemed that Yaiba understood Aruto about the value of the Humagears, but then it was learned that she only sees them as replaceable tools, something that Aruto doesn't believe in, she is also the first to discover his identity as Zero-One. She laments Aruto's actions as both the CEO of Hiden Intelligence and Zero-One, exclaiming that if he didn't bother to protect the Humagears, there would never be any casualties. After showing her loyalty to ZAIA Japan, she becomes colder with Aruto, although she still supports Aruto when there's moral value on his action. Thanks to Aruto kind nature towards People and Humagears alike, Yaiba starts to doubt her decision in supporting ZAIA Japan.
  • Is: At first, Izu considered her an ally, but after seeing what Yaiba does with ZAIA Japan, she begins to distrust her. As the Fighting Jackal Raider, she tried to destroy her under Gai's orders.


  • (Kamen Rider) Horobi: To be added
  • (Kamen Rider) Jin: Yaiba and Jin were at first enemies. Additionally, Valkyrie was the Rider who fought Jin the most before the latter's revival. After Jin revealed himself since his return, Yaiba was surprised by this. After her resignation from ZAIA Japan, Yaiba made a brief alliance with Jin to extract Naki from Isamu's A.I chip. They eventually teamed up to fight against the Ark-possessed Horobi, with Jin persuading Yaiba to fight after she was briefly consumed by the satellite's fear. Upon his second death, Yaiba retrieves his earpiece in order to rebuilt Jin.
  • (Kamen Rider) Ikazuchi/Uchuyaro Raiden: To be added
  • (Kamen Rider) Naki: Yaiba eventually recruits Naki into A.I.M.S. after the conclusive battle between Zero-One and Horobi.
  • Gai Amatsu/Kamen Rider Thouser: He was the benefactor and the superior of Yaiba, to whom he gave information. Yaiba initially agreed to do whatever Gai orders, but after he clearly shows no concern for people's safety, she starts to doubt her benefactor's vision for the future and his motives. Nevertheless, Yaiba remained powerless to even object Gai's decisions. It was later revealed that Yaiba's loyalty towards Gai was caused by an A.I Chip implanted inside her head like with Isamu, with Gai controlling her thoughts to ensure her loyalty. After his countless defeats on the hand of all Kamen Riders (including Yaiba herself), fed up with Gai's amoral actions, behaviours, and cruel treatments towards her, Yaiba decides to quit ZAIA Japan for good by punching her former benefactor in the face. During the battle against Ark Zero, she seemingly reconciled with Gai and later teams up in the fight against Ark Zero.
  • Jun Fukuzoe: To be added
  • Sold20: To be added


Behind the Scenes[]


Yua Yaiba is portrayed by Hiroe Igeta (井桁 弘恵, Igeta Hiroe). Her suit actor as both Kamen Rider Valkyrie and the Fighting Jackal Raider is Satoshi Fujita (藤田 慧 Fujita Satoshi).


  • Kamen Rider Valkyrie's name comes from the .224 Valkyrie, a type of ammunition used in assault rifles.
  • Valkyrie is also the name of the female warriors in Norse Mythology who fought alongside Odin in absolute loyalty in him, referencing Yaiba's initial loyalty to Gai Amatsu.

Concept Art[]

Fighting Jackal Raider was designed by Takato Yamashita (山下 貴斗, Yamashita Takato).


  • Yaiba spins her Progrisekey before transforming. Behind-the-scenes, this is done by attaching a fidget spinner with the key on it to actress Hiroe Igeta's finger before removing it in the next shot. Bandai Premium later released the A.I.M.S. Role-play Set, which includes a Rushing Cheetah Progrise Key with a fidget spinner attached.
  • In Episode 8, Horobi was shown to have data on Yaiba.
    • Yaiba's date of birth is registered as of April 18, 1995.
    • Her registered height is 170 cm.
    • She had been employed by A.I.M.S. for at least two years at that point in time.
    • Her registration number is No. 03311.
  • Yaiba's favorite sushi is tuna nigiri with soy sauce.
  • According to producer Takahito Omori, Yaiba was originally planned to be the host to Ark, which was housing in her A.I. chip. This revelation would've explained her genius technical skills and fighting ability as a result of Ark's influence. However, this plotline was scrapped to cherish Yua's "charming demeanor" and her close bond with Fuwa.[8]
  • In addition to the Raiders' usual recycled legs from Vulcan/Valkyrie, the markings on the Fighting Jackal Raider's face and the prongs on either side of its head resemble those on Valkyrie.
    • Furthermore, the Fighting Jackal Progrisekey has 'Valkyrie' mentioned in its transformation phrase.
    • The concept art of Fighting Jackal Raider shows that Valkyrie's face was hidden under the visor.
  • According to the production staff, Valkyrie was supposed to have her Final Form in the TV show, but was cut due to the reduced number of episodes.[9] Ultimately, she would achieve Valkyrie Justice Serval in Zero-One Others.
  • Kamen Rider Valkyrie Justice Serval's suit is a retool of her Lightning Hornet suit, with the claws retooled from Orthros Vulcan, and a new helmet.
  • Despite the similarly pronounced name in Japanese, Justice Serval is derived from the Japanese name for the saber-toothed tiger (サーベルタイガー, Sāberutaigā) rather than the serval.




Icon-zero-one Kamen Rider Zero-One
Kamen Riders
Aruto Hiden - Isamu Fuwa - Yua Yaiba - Jin - Horobi - Uchuyaro Raiden - Naki - Gai Amatsu - Ark - Soreo Hiden - S
Movie-exclusive: Soreo Hiden - S - Behru - Kamen Rider Abaddon - Is - Lyon Arkland - Kamen Rider MetsubouJinrai (Jin, Horobi, Ikazuchi & Naki)
Stageshow-exclusive: As - Little Assassin
Hiden Zero-One Driver - A.I.M.S. Shotriser - MetsubouJinrai Forceriser - Zetsumeriser - ZAIA Thousandriver - Cycloneriser - Raidriser - ZAIA Slashriser - Ark Driver - Hiden Zero-Two Driver - Zetsumetsu Driver - Eden Driver - Abaddoriser - MetsubouJinrai Driver - Zero-Three Driver
Progrisekeys - Progrise Holder - Progrisekey Connector - Hiden Risephone - Rider Models - Assault Grip
Progrisekey-related Weapons
Attache Weapons: Attache Calibur - Attache Shotgun - Attache Arrow
Standalone Weapons: Authorise Buster - Thousand Jacker
Others: Progrise Hopper Blade
Suit-Equipped Weapons
Knuckle Demolition - Breaking Mammoth - Buaruku Sabers - Nihon Ookaminotsume - Claw Assault
Miscellaneous Weapons
Horobi's Katana - Giger - ZAIA Spec
Hiden Intelligence: Korenosuke Hiden - Soreo Hiden - Jun Fukuzoe - Sanzo Yamashita
Humagears: Is - Shesta - Soreo Hiden - Was Nazotoku - Subaru - Hakase Bot - Fukkinhoukai Taro - Fukkinhoukai Jiro - Rin
Girls Remix: Akiko Narumi - Rinko Daimon - Kanon Fukami - Sawa Takigawa - Lovekov
Legend Riders: Kuroto Dan - Poppy Pipopapo - Masamune Dan - Sougo Tokiwa - Geiz Myokoin - Woz - Tsukuyomi - Touma Kamiyama - Ren Akamichi - Reika Shindai - Sakura Igarashi - Hana Natsuki
Humans: Norio Uozumi - Go Sakurai - Satoshi Sakurai - Choichiro Ishizumi - Seiji Tazawa - Satō - Yuta Yomura - Isao - Shinya Owada - Ikkei Amatsu - Akane Tono
Humagears: Mageana - Ikkan Nigiro - Anna - Mashirochan - Dr. Omigoto - Z #5 - Delmo - Love-chan - Midori
A.I.s: There - Zat - Ai-chan - Thouser
Ark - Horobi - Naki - Jin - Ikazuchi - Little Assassin - As
Main Magia: Berotha Magia - Kuehne Magia - Ekal Magia - Neohi Magia - Onycho Magia - Vicarya Magia - Gaeru Magia - Mammoth Magia - Dodo Magia - Arsino Magia
Footsoldiers: Trilobite Magia - Dodo Magia Chick - Battle Magia
ZAIA Japan
Gai Amatsu - Williamson Yotagaki
ZAIA Spec Representatives: Rentaro Tachibana - Tatsumi Arayashiki - Naoto Ichimori - Takeshi Homura - Masamitsu Yuto
Other: Daiki Kyogoku - Makio Nodachi
A.I.M.S.: Isamu Fuwa - Yua Yaiba - Naki - Eida - Ono - Degawa - Shida - Eifuku - Ito
Main Raiders: Crushing Buffalo Raider - Splashing Whale Raider - Dynamaiting Lion Raider - Storming Penguin Raider - Scouting Panda Raider - Fighting Jackal Raider
Footsoldiers: Invading Horseshoe Crab Raiders
ZAIA Enterprise (U.S.A.)
Lyon Arkland - Sold9 - Sold20 - Sold404
Sold Magia: Dire Wolf Sold Magia - Serval Tiger Sold Magia - Crushing Buffalo Sold Magia - Splashing Whale Sold Magia - Storming Penguin Sold Magia - Scouting Panda Sold Magia - Invading Horseshoe Crab Sold Magia
Footsoldiers: Solds
S - Behru - Buga - Mua - Lugo
Footsoldiers: Kamen Rider Abaddon
Other Villains
Kamen Riders: Kagen
Another Riders: Finis - Will
Icon-revice Kamen Rider Revice
Kamen Riders
Human Main Riders: Ikki Igarashi - Daiji Igarashi - Sakura Igarashi - Hiromi Kadota - Genta Igarashi - Kamen Rider Over Demons: (Go Tamaki - Hikaru Ushijima) - Hana Natsuki - Demons Troopers - George Karizaki - Orteca
Demon Main Riders: Vice - Kagero - Lovekov - Vail
Movie/Special-exclusive: Kamen Rider Century (Ryunosuke & Hideo Momose) - Ryu Mukai - Nozomu Otani - Azuma - Kamen Rider Igarashi (Ikki, Daiji, & Sakura Igarashi) - Devil Hana
Stageshow-exclusive: Shocker Combatman - Kamen Rider Blood Vade (Vade & Yuichiro Wakabayashi) - Vice (World of Memories) - Kagero (World of Memories)
Debatable Riders: Yuriko Kuroe
Clone Riders: Touma Kamiyama (1, Super-1, Accel), Rintaro Shindo (ZO, Kuuga, Blade), Yuri (Agito, Ex-Aid, Zero-One), Vice (Black RX, Fourze, Woz), Daiji Igarashi (Knight, Meteor, Ryugen), Sakura Igarashi (Nadeshiko, Poppy, Valkyrie)
Transformation Gear
Revice Driver - Two Sidriver - Libera Driver - Demons Driver - Vail Driver - Week Endriver - Cyclotron Driver - Destream Driver - Crimson Vistamp - Chimera Driver - Juuga Driver
Vistamps - Vistamp Holder - Vistamp Bar
Vistamp-related Weapons
Ohinbuster50 - Gundephone50 - Osutoderuhammer50 - Barid Shield - Rolling Vistamp - Evilblade - Livegun - Needle Kunai - Crimson Vistamp
Genome-exclusive Weapons
Revi: Mammoth Gasher - Divine Fin - Kong Revi Puncher - Kamakiric Arrow
Vice: Glacier Shield - Kong Geno Bracer - Barid Shield
Jeanne: Lovekov (Kujaku, Turtle, Hashibiroko, Tricera)
Aguilera: Needle Kunai - Unnamed Buffalo Genome Weapon
Genomix-exclusive Weapons
(Over) Demons: Demon Bottom Higher - Demon Digzon - Demon Rumblejoker - Demon Ridolstinger - Demon Bladior
Destream: Komodo Dragonic Heat - Croco Wizarolling - Kong Astro Breaker
Vice (Ptera, Jackal)
Fenix Skybase - Deadmans Base - Ararat - Area 666 - Devil City
Rift in the Sky
Happy Spa: Yukimi Igarashi - Koshiro Igarashi
Legend Riders: Takeshi Hongo - Shinji Kido - Ren Akiyama - Takeshi Asakura - Shinji Kido (Mirror World) - Ryu Terui - Hideyasu Jonouchi - Oren Pierre Alfonzo - Kanon Fukami - Poppy Pipopapo - Tsukuyomi - Is - Yua Yaiba - Touma Kamiyama - Rintaro Shindo - Kento Fukamiya - Ryo Ogami - Ren Akamichi - Tetsuo Daishinji - Sophia - Yuri - Reika Shindai - Ryoga Shindai - Ace Ukiyo - Keiwa Sakurai - Neon Kurama - Michinaga Azuma - Kaima Todoroki - Girori
Unnamed Inner Demons: Yukimi's Demon - Keiwa's Demon - Baby Devil
Others: Shozo Irabu - Genpachiro Otta - Naoya Kaido - George Karizaki (2071) - Rumi - Rinna Sawagami
Director: Hideo Akaishi
Commanders: Yujiro Wakabayashi - "Yujiro Wakabayashi" - Hiromi Kadota
Squad Leaders: Daiji Igarashi - Tatsuhiko Tabuchi
Researchers: George Karizaki - Kosuke Kakishima - Akemi Shinbashi
Doctors: Akemi Mikoshiba
Leader: Masumi Karizaki
Ushijima Family: Hikaru Ushijima - Tasuke Ushijima - Kimiko Ushijima
Other Members: Sakura Igarashi - Hana Natsuki - Go Tamaki
Demons Army: Hiromi Kadota - Demons Troopers
Director: Agariyama
Researchers: Masumi Karizaki - Hideo Akaishi
Military: Shozo Irabu
Others: Junpei Shiranami - Imperfect Demons
Girls Remix
Founder: Akiko Narumi
Kamen Riders: Sakura Igarashi - Hana Natsuki - Reika Shindai - Is - Poppy Pipopapo - Tsukuyomi - Kanon Fukami
Other Members: Sawa Takigawa - Rinko Daimon - Lovekov
Blue Bird
Leader: Daiji Igarashi
Notable Members: Hiromi Kadota - Hana Natsuki - Go Tamaki - George Karizaki - Tatsuhiko Tabuchi
Demons: Giff
Notable Members: Hideo Akaishi - Orteca - Julio - Aguilera - Amahiko Haitani - Yasushi Kudo - Chameleon Deadman
Batta Deadman - Rex Deadman - Mammoth Deadman - Kamakiri Deadman - Megalodon Deadman - Kong Deadman - Lion Deadman - Spider Deadman - Daiouika Deadman - Wolf Deadman - Kangaroo Deadman - Cheetah Deadman - Brachio Deadman - Kurage Deadman - Harimogura Deadman - Oumu Deadman - Planarian Deadman - Chameleon Deadman - Sabertiger Deadman - Queen Bee Deadman - Koala Deadman - Orangutan Deadman - Shark Deadman - Elephant Deadman - Anomalocaris Deadman - Rafflesia Deadman - Mandrill Deadman - Octopus Deadman - Turtle Deadman - Ookami Deadman
Henchmen: Giff Junior
Gifftarians: Normal - TRUE - Hell
Others: Giffdemos - Deadman Clones
Deadman Contract Holders
Junpei - Tomoyuki Harada - Hiromi Kadota - Araki - Ibata - Ayaka Oketani - Unnamed Salary Man - Masao - Yasushi Kudo - Koji Maezono - Scamming Group - Amahiko Haitani - Seiko Omori - Taro Gondawara - Unnamed Comedian - Mayu Tominaga - Subaru Kimura
Named Gifftarian Hosts
Yosuke Okuda - Chigusa Yamagiri - Kanae Motomura
Himiko Crisper - Khufu Crisper - Edison Crisper - Leonidas Crisper
Devil Rider Corps
Shocker Rider No.1 - Shocker Rider No.2 - Kamen Rider Ouja - Kamen Rider Eternal - Kamen Rider Sorcerer - Kamen Rider Duke - Kamen Rider 4 - Kamen Rider Barlckxs
Shocker Executive
Area 666 Terrorists
Leader: Azuma
Notable Members: Minami - Hakim - Tony
Demons: Chic - Mandrill Deadman Phase 2 - Strange Demons - Giff Junior - Gifftarian (TRUE)
Leader/Mastermind: Kagetaka Ichimura - Shunichiro Somei
Shunichiro Somei - Yukio - Mariko - Muramasa
Black Satan
Mitsuko Fujimoto - Yuriko Kuroe - Black Satan Soldiers
Takata Research Institute
Director: Shou Takada
Notable Members: Isao Saikawa - Michiru Haruyama