Teenage Mutant Ninja Turtles Newtralizer Action Figure Amphibious Assassin of Dimension X 2013 Viacom International Inc. All Rights Reserved; TEENAGE MUTANT NINJA TURTLES and all related titles, logos and characters are trademarks of Viacom International Inc. Amphibious Assassin of Dimension X 2013 Viacom International Inc. All Rights Reserved; TEENAGE MUTANT NINJA TURTLES and all related titles, logos and characters are trademarks of Viacom International Inc.