Female Cartoon Characters/My Little Pony: Friendship is Magic

Gumball (from The Amazing World of Gumball) as Twilight Sparkle

Katie (from Horton Hears a Who (2008)) as Spike

Squidward Tentacles (from Spongebob Squarepants) as Rainbow Dash

Toothless (from How to Train Your Dragon) as Applejack

Po (from Kung Fu Panda) as Pinkie Pie

Scooby-Doo (from Scooby-Doo) as Rarity

Kion (from The Lion Guard) as Fluttershy

Beast (from Beauty and the Beast (2017)) as Princess Celesita