Suggestions by @alecgroskreutz1

Diedrich Bader

as Dirk Savage in Mario/Sonic/TMNT: Mutants in Manhattan

Kevin Michael Richardson

as Groundchuck in Mario/Sonic/TMNT: Mutants in Manhattan

Christopher Swindle

as Dirtbag in Mario/Sonic/TMNT: Mutants in Manhattan

Phil LaMarr

as Superfly in Mario/Sonic/TMNT: Mutants in Manhattan

David Kaye

as Armaggon in Mario/Sonic/TMNT: Mutants in Manhattan

John DiMaggio

as Rupert Swaggart in Mario/Sonic/TMNT: Mutants in Manhattan

Dee Bradley Baker

as Wingnut in Mario/Sonic/TMNT: Mutants in Manhattan

Kari Wahlgren

as Spider-Bytes in Mario/Sonic/TMNT: Mutants in Manhattan

Steve Blum

as Antrax in Mario/Sonic/TMNT: Mutants in Manhattan

Daran Norris

as Scumbug in Mario/Sonic/TMNT: Mutants in Manhattan

Giancarlo Esposito

as Dr. Baxter Stockman in Mario/Sonic/TMNT: Mutants in Manhattan

Cree Summer

as Dr. Jane Goodfellow in Mario/Sonic/TMNT: Mutants in Manhattan

Jennifer Hale

as Ma'riell in Mario/Sonic/TMNT: Mutants in Manhattan

John Cena

as Monza Ram in Mario/Sonic/TMNT: Mutants in Manhattan

Robbie Rist

as Raz Charvok in Mario/Sonic/TMNT: Mutants in Manhattan

Corey Feldman

as Zed Lakin in Mario/Sonic/TMNT: Mutants in Manhattan

Cristina Vee

as Seri in Mario/Sonic/TMNT: Mutants in Manhattan

Fred Tatasciore

as Ivan Maxence in Mario/Sonic/TMNT: Mutants in Manhattan

Khary Payton

as Anton Genealdo in Mario/Sonic/TMNT: Mutants in Manhattan

Steve Blum

as Leatherhead in Mario/Sonic/TMNT: Mutants in Manhattan