Casshan: Robot Hunter (1993) and related work:

Casshan: Robot Hunter (1993) IMDb

A young man remade into a cyborg by his father quests to destroy one of his father’s other creations, the leader of a robot army that has almost conquered the world to preserve it.

Retro superhero SF. Remake of a 1973 series. Gloriously campy. Mad Max (1979) meets Tezuka’s Firebird (cf. Phoenix 2772) on a mountain of toys.

animation fiction Japanese production moving picture

Casshern (2004) IMDb

Higuchi Shinji (storyboard artist).

Effectively unrelated.

fiction Japanese production moving picture