Teenage Mutant Ninja Turtles: An Ultimate Mutation

Teenage Mutant Ninja Turtles: An Ultimate Mutation is an American/Japanese cartoon series, mainly in New York City. It is also inspired by 2003 series and IDW comics. The Turtles' faces are reminiscent of Shoutmon from Digimon Fusion.

Teenage Mutant Ninja Turtles

 * Leonardo/"Leo" (Ben Diskin)
 * Donatello/"Donnie" (Sam Riegal)
 * Raphael/"Raph" (Ben Diskin)
 * Michelangelo/"Mikey" (Brian Beacock)

Allies

 * April O'Neil
 * Casey Jones
 * Splinter
 * Leatherhead
 * Pete
 * Zog
 * The Pulverizer
 * Mortu

Foot Clan

 * Oroku Saki/The Shredder (voiced by Miguel Ferrer): The leader and main antagonist of the show.
 * Karai (voiced by Kelly Hu): Shredder's adoptive daughter.
 * Oroku Zuru/The Shredder II (voiced by Jim Cummings): Shredder's most trusted son and underling.
 * Hun (voiced by Greg Carey): Shredder's bodyguard and leader of the Purple Dragons.
 * Bebop (voiced by Dorian Harewood): One of Hun's captains of the Purple Dragons and one of Shredder's henchmen. He is African American.
 * Rocksteady (voiced by Kirby Morrow): A large fat blond mustachoid man (who sported army camouflage pants later while also occasionally sporting a army helmet on his head in his mutated form and looks identical to Giggles from Kong animated series) who is one of Hun's captains of the Purple Dragons and one of Shredder's henchmen. Rocksteady was exposed to mutagen in Hun's experiments that turned him into a bald, mutant rhinoceros with an alligator-like teeth.
 * Foot Ninjas
 * Purple Dragons