- "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
Keiken has long grey hair and wears a mainly white uniform. He has a double sided head, one which has an angry battle face, the other bearing a casual look.
Before the first rebellion, he was one of the lead designers of the mining robots that later malfunctioned, becoming the Devastators.
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|Pilots:||Sensei Keiken | Hikaru | Takeshi | Ryo | Ha-Ya-To | Hitomi | Tank Gunner | Skeleton|
|Robots:||Meca One | Devastator | Iron Drone|