Soccer World
This article is about a/an rider in Kamen Rider Gaim.

In the Soccer World, Hideyasu Jonouchi (城乃内 秀保 Jōnouchi Hideyasu) is a member of Team Charmant who transforms into Kamen Rider Gridon (仮面ライダーグリドン [栗団] Kamen Raidā Guridon).


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Ride Wear

The Ride Wear (ライドウェア Raido Uēa) is Gridon's default form undersuit, which is briefly seen during Gridon's transformation sequence before the Armor Part attaches or when he changes Arms. However, this form is completely vulnerable to any incoming attacks when shot at directly in the suit rather than at the Arms that is descending down on the Rider.

The Ride Wear that Gridon's Sengoku Driver has is easily identifiable through its Rider Indicator (ライダーインジケーター Raidā Injikētā) faceplate. The Rider Indicator only identifies what Ride Wear a Sengoku Driver contains for simplicity and can be replaced with extensions such as the Genesis Core or Senyo Joint.

Donguri Arms

Donguri Arms

"Come on! Donguri Arms! Never give up!"
―Transformation announcement[src]

Rider Statistics:[1]

  • Rider Height: 203 cm
  • Rider Weight: 110 kg

Ability Parameters:[1]

  • Punching Power: 8.9 t
  • Kicking Power: 9.2 t
  • Maximum Jump Height: 22 m
  • Maximum Running Speed: 100 m per 6.5 seconds

Donguri Arms (ドングリアームズ Donguri Āmuzu, lit. "Acorn Arms") is Gridon's acorn-based default form. Accessed through the Donguri Lockseed, this form bears the Dome Casque (ドームカスク Dōmu Kasuku) helmet with the Nut Eye (ナットアイ Natto Ai) visor.

While assuming Donguri Arms, Gridon dons the Donguri Armor Part (ドングリアーマーパート Donguri Āmā Pāto, lit. "Acorn Armor Part") and his Arms Weapon is the Donkachi. If Gridon activates his Sengoku Driver's Sparking function, he can temporarily convert the Donguri Armor Part into its nut form and spin it to use as a shield for bouncing off enemy attacks.

In this form, Gridon can throw punches stronger than both Gaim in Pine Arms and Baron in Banana Arms, though his kicking power is far weaker then the aforementioned Riders. As for his jumping height and running speed, they are the same as Gaim's in Pine Arms. Gridon is later further strengthened when his Sengoku Driver is replaced with an updated, refined model.

This Arms has three finishing attacks.

  • Sengoku Driver finisher:
    • Donkachi Giant Rotation (ドンカチ大回転 Donkachi Dai Kaiten): Gridon activates the Squash function on his Sengoku Driver and spins at high speeds with the Donkachi held out. The spinning forms an acorn projection before Gridon knocks the opponent with a high-velocity hammer slam.
    • Gridon Impact (グリドンインパクト Guridon Inpakuto): Gridon activates the Au Lait function on his Sengoku Driver and dives from above and strikes the enemy with the Donkachi.
    • Unnamed Rider Shooting: Gridon activates the Sparking function on his Sengoku Driver and swings the Donkachi, sending a pulse of energy at the target.

Jonouchi loses access to Donguri Arms in a battle against Zack and Yoko, resulting in the destruction of his Donguri Lockseed and Sengoku Driver.

Appearances: Kamen Rider Gaim: Great Soccer Battle! Golden Fruits Cup!



  • Sengoku Driver - Transformation device
  • Lockseeds - Gives access to Gridon's Arms changes, depending on which lock is used


Behind the scenes


Hideyasu Jonouchi is portrayed by Ryō Matsuda (松田 凌 Matsuda Ryō). As Kamen Rider Gridon, his suit actor is Kazuya Okada (岡田 和也 Okada Kazuya).


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Main article: Hideyasu Jonouchi/Appearances


Icon-gaim Kamen Rider Gaim
Armored Riders
TV Series: Kouta Kazuraba - Kaito Kumon - Mitsuzane Kureshima - Takatora Kureshima - Hideyasu Jonouchi - Ryoji Hase - Oren Pierre Alfonzo - Zack - Kurokage Troopers
Movie/Special/Stageshow-exclusive: Bujin Gaim - Ren Aoi - Lapis - Kougane - Touka Akatsuki - Shura - Kugai Kudo - Maja
New Generation Riders
TV Series: Takatora Kureshima - Ryoma Sengoku - Yoko Minato - Lock Dealer Sid - Kaito Kumon - Mitsuzane Kureshima
Movie-exclusive: Peko - Alfred
Rider Gear
Sengoku Driver - Genesis Driver - Lockseeds - Armor Parts - Arms Weapons - Musou Saber - Sonic Arrow
Rider Machines
Sakura Hurricane - Rose Attacker - Dandeliner - Tulip Hopper
TV Series: Mai Takatsukasa - Yuya Sumii - Akira Kazuraba - Chucky - Rica - Rat - Peko - Kiyojiro Bando - Iyo - Kikaider (REBOOT)
Movie-exclusive: Ieyasu - Shu Aoi - Saki Aoi - Shapool - Azami
Beat Rider Teams: Team Gaim - Team Baron - Team Raid Wild - Team Invitto - Team Red Hot - Team Soten - Team Pop Up - Team Spingere - Team Boost - Team Mouryou - Team Severe Beat
Kamen Riders: Takeshi Hongo - Keisuke Jin - Ryo Murasame - Takumi Inui - Momotaros - Tsukasa Kadoya - Shotaro Hidari - Haruto Soma - Shinnosuke Tomari - Takeru Tenkuji - Emu Hojo - Parado - Sento Kiryu - Sougo Tokiwa
Other Heroes: Daigo KiryuIcon-crosswiki - Ressha Sentai ToQgerIcon-crosswiki - Kikaider (REBOOT)

Locations: Zawame - Charmant - Yggdrasill Tower

Yggdrasill Corporation
Takatora Kureshima - Mitsuzane Kureshima - Ryoma Sengoku - Lock Dealer Sid - Yoko Minato - DJ Sagara - Amagi Kureshima
Remnant groups: Black Bodhi - Neo Baron

Zawame City Restoration Bureau

Femushinmu (Over Lord Inves): Rosyuo - Demushu - Redyue - Dyudyuonshu - Grinsha - Shinmugurun - Over Lord Queen
Lapis - Kougane
Other Over Lords: Lord Baron - Tyrant
Advanced Inves: Byakko Inves - Seiryu Inves - Hekija Inves - Shika Inves - Kamikiri Inves - Komori Inves (Mutant) - Inoshishi Inves - Lion Inves - Yagi Inves
Elementary Inves

Helheim (Forest) - Forbidden Fruit - Man of the Beginning - Woman of the Beginning - Femushinmu Planet - Planet of Helheim

Other Villains
Grasshopper Monster - Badan Empire - Pitcher Plant Monster - Megahex - Hakaider (REBOOT)
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