He is voiced by Eric Bauza, who also voiced Tiger Claw.
He is now short, obese, and has an overall round shape. He is a humanoid mutant gray rat.
His personality is much less elegant, now more humorous, crude, and partakes in gluttonous activities (such as eating a whole cake on the couch while watching a game show.) Splinter however retains his martial arts knowledge and acrobatic moves, and eventually mentors the turtles.
He doesn’t start training the turtles until threats about Baron Draxum are discovered.
- He is featured with a drastic redesign.
- His voice actor, Eric Bauza best known voicing as Patches from Bunnicula, White Pantera from El Tigre: The Adventures of Manny Rivera, Stimpy from Ren & Stimpy "Adult Party Cartoon", Belly Bag from Uncle Grandpa, Tiger Claw from Teenage Mutant Ninja Turtles (2012 Series) and Puss in Boots from The Adventures of Puss in Boots.