Teenage Mutant Ninja Turtles Mutagen Oooze with Mini Turtle Figures Mutagen Ooze is the mysterious goo that turned the Green Team from pet turtles into the heroes in a half shell they are today. The Ooze also created their many mutant friends and foes. Handle with care! Includes Bonus Mini Turtle! (C) 2012 Viacom International Inc. All Rights Reserved. TEENAGE MUTANT NINJA TURTLES and all related titles, logos and characters are trademarks of Viacom International Inc.