Heisei Rider Archives
Riders Directory
2010 · Kamen Rider OOO

Kamen Rider OOO

Desire drives the medals. Medals drive the power.

Protagonist
Eiji Hino
Setting
Japan (various)
Episodes
48
Power System
Core Medals

Series Overview

Eiji Hino, a wandering man with no desires, stumbles into a conflict between the Greeed — ancient monsters made of Core Medals — and a mysterious organization. By using Core Medals in the OOO Driver, he transforms to fight the Greeed while questioning what it truly means to desire something.

Forms & Power-Ups

TaToBa
Default combo — Taka, Tora, Batta. Balanced speed and power.
GataKiriBa
Kuwagata, Kamakiri, Batta — insect combo with cloning ability.
RaToraTah
Raion, Tora, Cheetah — big cat combo with incredible speed.
ShaUTa
Shachi, Unagi, Tako — marine combo with water abilities.
PuToTyra
Ptera, Tricera, Tyranno — prehistoric combo with overwhelming power.
Key Abilities
Core Medal Combos
Combining three medals of the same animal category unlocks powerful combo forms with unique abilities.
Scanning Charge
Finishing move that unleashes the full power of the active medal combination.
Medajalibur
A sword weapon that channels Core Medal energy for devastating slashing attacks.
Allies
Ankh
Hina Izumi
Kousei Kougami
Enemies
The Greeed
Uva
Kazari
Gamel
Mezool
Archive Note

OOO's medal system allowed for an enormous variety of form combinations, making it one of the most versatile Riders in the franchise.

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