Denjin Zaborger

Yutaka Daimon, a Secret Police agent, returns to Japan after his father is killed by Dr. Akunomiya, the head of the criminal organization Sigma. He inherits Denjin Zaborger, a robot constructed from the rare metal Daimonium that reacts to his voice. This robot can transform into Machine Zaborger, a motorcycle that Yutaka can ride.