- "My shoulders bear the weight of all that Meca One has done. All that I can do now is try to prevent him from achieving his dark goals."
- ―Sensei Keiken
Sensei Keiken is the general leader in charge of the Exo-Force team. He is often disobeyed by the five pilots of the Exo-Force. Keiken is also the grandfather of team member Hitomi. He created Meca One.
Before the first rebellion, he was one of the lead designers of the mining robots that later malfunctioned, becoming the Devastators.
He has long grey hair and wears a mainly white uniform. He has a double sided head, one which bears an angry battle face, the other bearing a casual look.
|view · talk · editExo-Force minifigures|
|Pilots:||Sensei Keiken | Hikaru | Takeshi | Ryo | Ha-Ya-To | Hitomi | Tank Gunner | Skeleton|
|Robots:||Meca One | Devastator | Iron Drone|