Also known as: 仮面ライダーベルデ
He is one of the Kamen Riders who appeared in "13 RIDERS", a spin-off of Kamen Rider Ryuki (Series).
He wears yellow-green armor with a Chameleon motif.
He is contracted to Biogreeza.
His transformer is Takamizawa Itsurou.
A list of all the Advent Cards he owns.
- Advent: Summon Biogreeza.
- Hold Vent: Used to equip the Bio Winder, a Yo-Yo-shaped weapon modeled after Biogreeza's eye.
- Clear Vent: His appearance becomes Invisible.
- Copy Vent: Copies the appearance and weapons of another Kamen Rider.
- Final Vent: He activates his special move, Death Vanish, to grab the target while hanging upside down with Biogreeza's tongue, then leaps up and falls, slamming the target's head into the ground .