Oroku Saki (Ralston Purina)

Oroku Saki, also known as Shredder, is an enemy of the Ninja Turtles in the the Ralston Purina TMNT Cereal Comics.

He sends Baxter Stockman to kidnap Casey Jones, and tries to mutate him into an octopus. However, the turtles manage to stop him before that happens.