The Amazing World of Gumball/Mario

Kirby (from Kirby) as Bullet Bill Patou (from Rock-A-Doodle) as Toadsworth
 * Gumball as Mario
 * Darwin as Luigi
 * Edmond (from Rock-A-Doodle) as Toad
 * Penny as Princess Peach
 * Lady Rainicorn (from Adventure Time) as Yoshi
 * Grand Duke of Owls (from Rock-A-Doodle) as Bowser
 * Owls (from Rock-A-Doodle) as Goombas
 * Wartortles (from Pokémon) as Koopa Troopas
 * Kiara (from Lion King) as Birdo
 * Nidoran (Male) (from Pokémon) as Shy-Guy (Male)
 * Nidoran (Female) (from Pokémon) as Shy-Guy (female)
 * Pinky (from Rock-A-Doodle) as Wart
 * Tobias as Wario
 * Banana Joe as Waluigi
 * Peepers (from Rock-A-Doodle) as Toadette
 * Masami as Princess Daisy
 * Nicole as Princess Roselina
 * Richard as Boo
 * Idaho as Buzzy Beetle
 * Anais as Lakitu
 * Ocho as Spiny
 * Tarzan (from Tarzan) as Hammer Bros.

Grand Duke's Koopalings

 * Brick (from Powerpuff Girls) as Larry Koopa
 * Mandy (from Totally Spies) as Wendy O, Koopa
 * Boomer (from Powerpuff Girls) as Morton Koopa Jr.
 * Butch (from Powerpuff Girls) as Lemmy Koopa
 * James (from Pokémon) as Roy Koopa
 * Zim (from Invader Zim) as Ludwig Von Koopa
 * Gir (from Invader Zim) as Iggy Koopa *Hunch (from Rock-A-Doodle) as Bowser Jr.