Ultimate Mirrorverse/Voice Cast

Voice Cast:

 * Adam Katz as Baseball, Nickel, Test Tube, Apple
 * Andrea Libman as Pinkie Pie, Fluttershy
 * Anthony Ramos as Mr. Piranha
 * April Stewart as Wendy Testaburger
 * Ashleigh Ball as Applejack, Rainbow Dash
 * Awkwafina as Ms. Tarantula
 * Barrett Wilbert Weed as Octavia
 * Bill Faggerbakke as Patrick Star
 * Brandon Rogers as Blitzo
 * Carolina Reynoso as Slushi
 * Carolyn Lawrence as Sandy Cheeks
 * Cary Huang as Spongy, Ruby, X
 * Chris Netherton as Cody
 * Clancy Brown as Mr. Krabs
 * Craig Robinson as Mr. Shark
 * Cristina Vee as Fwench Fwy
 * Dawn M. Bennett as Sody Pop
 * Doug Erholtz as Larry the Cucumber
 * Elaina Keyes as Rose
 * Eric Bauza as Jimmy Gourd
 * Erica Lindbeck as Loona
 * Ian Woodside as Gelatin
 * Jazzy Oliver as Paintbrush
 * Justin Chapman as Purple Face
 * Kenzie Bryant as Taco
 * Kyra Kupetsky as Chikn Nuggit
 * Lovell Stanton as Bowser, Joseph, Chef Pee Pee
 * Lance Thirtyacre as Duggie, Jeffy
 * Logan Thirtyacre as Junior, Marvin
 * Marc Maron as Mr. Snake
 * Marco Bonomo as Yin-Yang
 * Mark Katz as MePhone4
 * Matt Stone as Kyle Broflovski, Kenny McCormick, Butters Stotch, Craig Tucker
 * Michael Bruzzone as Lightbulb
 * Michael Huang as Bubble, Blocky, Firey, Leafy, Flower, Loser, Woody, Four
 * Mr. Lawrence as Plankton
 * Nathaniel Charpentier as Iscream
 * Niall Burns as Profily
 * Pierre Coffin as Otto, Stuart, Dave, Kevin, Bob
 * Richard Ayoade as Professor Marmalade
 * Richard Horvitz as Moxxie
 * Robbie Daymond as Bob the Tomato
 * Rodger Bumpass as Squidward
 * Sam Lee as Lollipop
 * Sam Riegel as Jerry Gourd
 * Sam Rockwell as Mr. Wolf
 * Satomi Hinatsu as Balloony
 * Tabitha St. Germain as Spike, Rarity
 * Tara Strong as Twilight Sparkle
 * Tom Kenny as SpongeBob SquarePants
 * Trey Parker as Eric Cartman, Stan Marsh
 * Vivian Nixon as Millie
 * Vivian Nweze as Cheezborger
 * Zarie Beetz as Diane Foxington