Neo-Human CASSHAN (1973 Series) – “The series is about Tetsuya Azuma who turns himself into an android named Casshan to defeat Robots who are taking over the world.”
Robot Hunter Casshan (1993 OVA) – “In the near future, robot technology has advanced to the point of self-awareness. Under the leadership of the “Black King,” machines have decimated the human population and conquered the world.”
Casshern (2004 Film) – “Genetically modified human mutants threaten the future of the world, and the only hope for mankind rests on the shoulders of Casshern, a warrior who has been reincarnated.”
Casshern SINS (2008 Anime Series) – “The world is falling apart and Casshern is to blame. He is said to have killed a robot named “Luna” and by doing so unleashed a plague referred to as “ruin”. But Casshern has no recollection of committing such an act, none the less both the humans and sentient robots hold him accountable. Now he must struggle to unravel what has truly happened to the world to be able to make a mends for his sins.”