Teenage Mutant Ninja Turtles Shredder Cold, cunning and cruel, Shredder is the Turtles' hateful arch-enemy, willing to go to any length to destroy them and their rat sensei, Splinter With the Foot Clan and his shredding armor, there is little the Shredder can't do Teenage Mutant Ninja Turtles and all related titles, logos and characters are trademarks of Viacom International Inc