Suggestions by @alecgroskreutz1

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

Zeno Robinson

as Carter Dawson in Mario/Sonic/TMNT: Mutants in Manhattan

David Kaye

as General Yahto Ohzumi in Mario/Sonic/TMNT: Mutants in Manhattan

Eric Bauza

as Keno Andrada in Mario/Sonic/TMNT: Mutants in Manhattan

Ryan Colt Levy

as Wolfgang Boyd in Mario/Sonic/TMNT: Mutants in Manhattan

Xanthe Huynh

as Asuka Hobuko in Mario/Sonic/TMNT: Mutants in Manhattan

Seth Rogen

as Jorge Monty in Mario/Sonic/TMNT: Mutants in Manhattan

Patrick Seitz

as Bunji Ishiwara in Mario/Sonic/TMNT: Mutants in Manhattan