Shredder is a fictional character in the Teenage Mutant Ninja Turtles universe. He is a villainous ninjutsu master also known by the name Oroku Saki. Shredder is known as the archenemy of the Turtles who, at one point or another in every incarnation of the TMNT franchise, has been the main enemy of Splinter and the Turtles. He is also known as the leader of the Foot Clan.