Wow! Wow! Wubbzy! Into the Cartoon Universe!/Credits

Cast

 * Wubbzy: Kenan Thompson
 * Gumball Watterson: Nicolas Cantu
 * Mighty Mouse: Patrick Pinney
 * Hector Con Carne: Phil LaMarr
 * Boskov the Bear: Heath Brannon
 * Lincoln Loud: TBA
 * SpongeBob SquarePants: Paul Reubens
 * Unikitty: Alison Brie
 * Puppycorn: Major Curda
 * Dr. Fox, Herself: Cher
 * Hawkodile: Sgt. Slaughter
 * Richard: Dan Milano
 * Darwin Watterson: TBA
 * Anais Watterson: TBA
 * Gary the Snail: Heath Brannon
 * Master Frown: Patton Oswalt
 * Pinkfong: Emily Neves
 * Hogi: Sandy Fox
 * Gumbie Watterson (anime-like character): Kenn
 * Dawuu Watterson (anime-like character): Katherine
 * Anime Watterson (anime-like character): Misia
 * Gumbay Watterson (twin sister of Gumbie Watterson, anime-like character): Mao Daichi
 * Red, Gumball Future Watterson / Gumball 2022: Billy West
 * Yellow: J.K. Simmons
 * Orange: Eric Kirchberger
 * Green: Cree Summer
 * Blue: Robb Pruitt
 * Ms. Brown: Vanessa Williams
 * Kane the Tooth Guy: Tom Kane
 * Pretzel Guy, Gumball Future Watterson / Gumball 2378: Maurice LaMarche
 * Steven Spielberg: Himself
 * 90s SpongeBob SquarePants: Tom Kenny
 * Noir Gumball Watterson: James Corden

''To be continued. - Yellow, M&Ms The Lost Formula ''