Triton of the Sea

Name: Triton of the Sea
Genre: Animation, Fantasy, Adventure, Action, Drama
Released: 1979
Rating: 8.1
Cast: Kôji Yada, Yoku Shioya, Kaneta Kimotsuki, Kazuko Sugiyama, Hiroshi Ôtake

Edited version for theaters of the eponymous 1972 show, about Triton, a sole survivor who seeks vengeance against evil sea demigod Poseidon and his monsters who eradicated his clan of good mermen and usurped their throne.