The Guyver - Bio-Booster Armor Characters

Agito is the adopted son of the head of Chronos Japan. He also goes to the same school as Sho and Tetsuro and Mizuki adores him. However he is not all that he seems and turns out to be Guyver III

A failed Zoanoid that was created to copy other Zoanoids and the Guyvers abilities. He became a Lost Number and has allied himself with Sho after questioning his own motives and sees Kronos as a part in his suffering.

Director of Kronos' Japan Branch. He was demoted after many failed attempts to retrieve the missing Guyver units and failure to create new Zoanoids. He was then turned into a Prototype Zoanoid named Enzyme and was sent to kill Sho.

Mizuki is a character in the Guyver manga and anime series. She is the younger sister of Tetsuro and Sho has a crush on her. Mizuki however is more interested in Agito Makishima

A inspector from Kronos HQ who was sent to Japan to maintain the transfer of the inactive Guyver Units to the Kronos headquarters. When one damaged unit was found it bounded with him and became it's host.

A powerful Zoalord who is second to Archanfel.

Sho is the protagonist of the Guyver manga and anime series. He is a normal teenager who becomes the superhero The Guyver when he stumbles across an alien artifact.

Tetsuro is a character in the Guyver manga and anime. He is Sho's best friend and despite have no powers and abilities refuses to let Sho face his fate alone. He is loyal to the end