MSHRPG (Marvel Super Heroes Rule Playing Game - the original versions, ie: basic or advanced; I prefer the latter)
Star Frontiers (old and bumpy rules wise, but a fun setting)
TMNT (Teenage Mutant Ninja Turtle, crunchy rules but also a fun setting)
TFOS (Teenagers From Outer Space, I believe it was the first anime based RPG in America, light hearted fun and simple rule set)
Ryuutama (like playing a Ghiblu anime, focused on story and very low powered with unique rules for Storyteller interaction with players)