Suggestions by @alanstudios

Maurice LaMarche

as Spike (Inspector Gadget) in Super Mario Bros. (Twisted Toonz)

Charles Martinet

as Iggy (Wario) in Super Mario Bros. (Twisted Toonz)

Quinton Flynn

as Princess Daisy (John Lennon) in Super Mario Bros. (Twisted Toonz)

Tara Strong

as President Koopa (Wendy Darling) in Super Mario Bros. (Twisted Toonz)

Kari Wahlgren

as President Koopa (Wendy Darling) in Super Mario Bros. (Twisted Toonz)

Grey DeLisle

as President Koopa (Wendy Darling) in Super Mario Bros. (Twisted Toonz)

Andrea Libman

as President Koopa (Wendy Darling) in Super Mario Bros. (Twisted Toonz)

Tara Strong

as Luigi Mario (Timmy Turner) in Super Mario Bros. (Twisted Toonz)

Rob Paulsen

as Mario Mario (Pinky) in Super Mario Bros. (Twisted Toonz)

Charles Martinet

as Narrator (Mario) in Super Mario Bros. (Twisted Toonz)

Nancy Cartwright

as Yoshi (Database) in Super Mario Bros. (Twisted Toonz)

Phil LaMarr

as The King (Darth Vader) in Super Mario Bros. (Twisted Toonz)

Troy Baker

as Sgt. Simon (Joe Swanson) in Super Mario Bros. (Twisted Toonz)

Patrick Warburton

as Sgt. Simon (Joe Swanson) in Super Mario Bros. (Twisted Toonz)

Carolyn Lawrence

as Anthony "D.K." Scapelli (Sandy Cheeks) in Super Mario Bros. (Twisted Toonz)

Tress MacNeille

as Daniella Pauline Verducci (Daisy Duck) in Super Mario Bros. (Twisted Toonz)

Jodi Benson

as Toad (Ariel) in Super Mario Bros. (Twisted Toonz)

Elizabeth Daily

as Lena (Tommy Pickles) in Super Mario Bros. (Twisted Toonz)

Mindy Cohn

as Spike (Velma Dinkley) in Super Mario Bros. (Twisted Toonz)

Kate Micucci

as Spike (Velma Dinkley) in Super Mario Bros. (Twisted Toonz)