Mushroom Ninja is Nine Universe’s oldest character. Nine Simon created Mushroom Ninja in 1990 and it was inherited by the Nine Corporation in 1995 (under Detanio). Mushroom Ninja has been adapted into comic strips, comic books, and video games.

Mushroom Ninja Products

Mushroom Ninja (comic strip series)
Mushroom Ninja (comic book)
Mushroom Ninja: Ice World (Video Games)
Mushroom Ninja: Lava Caves (Video Games)
Mushroom Ninja: Time Maze (Video Games)
Mushroom Ninja: Walls Of Fire (Video Games)

Links
Mushroom Ninja character profile