This article is about a/an monster in Kamen Rider Zero-One.

Forest Brush G-Pen (森筆ジーペン Mori Fude Jīpen) was a Manga Assistant-Type HumaGear that was hacked by Jin and given a ZetsumeRise Key to transform into the Vicarya Magia (ビカリアマギア Bikaria Magia).


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Magia Form

Vicarya Magia
KR01-Vicarya Magia

Vicarya Magia

Vicarya Magia true head

The Vicarya Magia's head after its Dris Nailer is destroyed

"Vicarya! ZetsumeRise!"
―Transformation announcement[src]


  • Height: 228.6 cm
  • Weight: 162.0 kg

G-Pen transforms into the Vicarya Magia (ビカリアマギア Vicaryamagia) by using the Vicarya Magia Zetsumerise Key in the ZetsumeRiser.


  • Dris Nailer (ドリスネイラー Dorisuneirā): The durable drills covering the Vicarya Magia's head and both arms.


  • HumaGear Hacking: Using a method similar to transforming into a Magia, the Vicarya Magia can corrupt other HumaGear and transform them into Trilobite Magia by piercing them with tendrils.
  • Tunneling: Using its Dris Nailers, the Vicarya Magia can burrow underground through solid matter.

Appearances: Zero-One Episode 5


Behind the Scenes


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The Vicarya Magia is named after Vicarya, an extinct genus of prehistoric snails that lived during the Paleogene and Neogene Periods.


  • G-Pen's name is derived from the "G pen", a type of nib commonly used by manga artists, referencing that he is a Manga Assistant-Type HumaGear.


Icon-zero-one Kamen Rider Zero-One
Kamen Riders
Aruto Hiden - Isamu Fuwa - Yua Yaiba - Jin - Horobi - Raiden - Gai Amatsu
Movie-exclusive: Soreo Hiden
Hiden Zero-One Driver - A.I.M.S. ShotRiser - MetsubouJinrai ForceRiser - ZetsumeRiser - Zaia ThousanDriver - CycloneRiser - RaidRiser - Progrise Keys - Progrise Holder - Progrise Key Connector - Hiden Risephone - Attache Calibur - Attache Shotgun - Attache Arrow - Breaking Mammoth - Giger - Authorise Buster - Assault Grip - Thousand Jacker - Progrise Hopper Blade
Hiden Intelligence: Korenosuke Hiden - Soreo Hiden - Jun Fukuzoe - Sanzo Yamashita
HumaGears: Izu - Shester - Soreo Hiden - Wazu Nazotoku - Subaru
A.I.M.S.: Isamu Fuwa
Zaia Enterprise: Gai Amatsu - Yua Yaiba
Legend Riders: Sougo Tokiwa - Geiz Myokoin - Woz - Tsukuyomi
Humans: Norio Uozumi - Go Sakurai - Satoshi Sakurai - Choichiro Ishizumi - Seiji Tazawa - Satō - Yuta Yomura - Isao - Shinya Owada
HumaGears: MaGe Ana - Nigiro Ikkan - Anna - Mashirochan - Dr. Omigoto - Zetto #5
A.I.s: Zea - Zat
Ark - Horobi - Jin - Raiden - Little Assassin
Footsoldiers: Trilobite Magia - Dodo Magia Chick
Monsters: Berotha Magia - Kuehne Magia - Ekal Magia - Neohi Magia - Onycho Magia - Vicarya Magia - Gaeru Magia - Mammoth Magia - Dodo Magia - Arsino Magia
Other Villains:
Finis - Will
Monsters: Crushing Buffalo Raider - Splashing Whale Raider - Dynamaiting Lion Raider - Storming Penguin Raider
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