Suggestions by @captainjthgamemaster

Rob Paulsen

as Mallow in Super Mario RPG (DIC)

Pete Davidson

as Gollum in A Politically Correct Lord Of The Rings Remake

Anna Kendrick

as MeeMee in Super Monkey Ball

Dwayne Johnson

as GonGon in Super Monkey Ball

Bryce Papenbrook

as AiAi in Super Monkey Ball

Tom Kenny

as Dr. Bad-Boon in Super Monkey Ball

Eminem

as Enel in One Piece

Ryan Potter

as Portgas D. Ace in One Piece

Brina Palencia

as Tony Chopper in One Piece

Taz Skylar

as Sanji in One Piece

Christopher Lloyd

as Hiriluk in One Piece

Mackenyu

as Roronora Zoro in One Piece

Toby Fox

as Producer in Undertale the movie

Josh Gad

as Napstablook in Undertale

John Cena

as Toshinori Yagi in My Hero Academia

Matthew McConaughey

as Sam Drake in Uncharted (TV series)

Marlon Wayans

as Robin in Batman Forever/Batman & Robin

Billy Dee Williams

as Two-Face in Batman Forever/Batman & Robin

Luke Evans

as Macavity in Cats (Good Version)

Steven Curtis Chapman

as Skimbleshanks in Cats (Good Version)