Kikkaijin Gangaru is a spring-based kangaroo Kikkaijin and an antagonist in episode 1 of Kamen Rider Stronger.
He was voiced by Mahito Tsujimura.
He was originally a gardener before being turned into a cyborg by Black Satan. After his conversion, Gangaru begins using the poisonous flowers Black Satan created to kill off people. He later hijacks a hoverboat, only for Shigeru and Yuriko intervene. Despite their interference, Gangaru is ordered by Mister Titan to finish the plan. He later hangs Yuriko from the Satan Dome before battling Stronger and being destroyed by Stronger's Stronger Electro Kick.
Powers and Abilities
He was armed with a joey-like Gangaru Bazooka chest-mounted machinegun that he uses in his Gangaru Spring Attack.