Suggestions by @amynotfound

Chaos

as Chaos in Sonic the Hedgehog: Chaos

Kevin Grevioux

as E-102 Gamma in Sonic the Hedgehog: Chaos

Kimiko Glenn

as Amy Rose in Sonic the Hedgehog: Chaos

Shigeru Miyamoto

as The Customer in Super Mario Bros.

King Wart

as Meanwhile in Subcon... in Super Mario Bros.

Spoiler

as Meanwhile in Subcon... in Super Mario Bros.

Tru Valentino

as Diddy Kong in Super Mario Bros.

John Leguizamo

as Toad Guard #2 in Super Mario Bros.

John Mulaney

as Luigi in Super Mario Bros.

Erika Henningsen

as Princess Peach in Super Mario Bros.

Michael Ensign

as Toadsworth in Super Mario Bros.

Bobby Moynihan

as Mario in Super Mario Bros.

John Leguizamo

as Spike in Super Mario Bros.

Samantha Kelly

as Mama Mario in Super Mario Bros.

Charles Martinet

as Toad Guard #1 in Super Mario Bros.

John C. Reilly

as Donkey Kong in Super Mario Bros.

Kate Higgins

as Pauline in Super Mario Bros.

Richard Steven Horvitz

as Kamek in Super Mario Bros.

Lizzie Freeman

as Toadette in Super Mario Bros.

Ke Huy Quan

as Toad in Super Mario Bros.