Pibby (Learning With Pibby) as SpongeBob SquarePants
Charlotte (Making Fiends) as Patrick star (since they are both dimwits)
Vendetta (Making Fiends) as Squidward Tentacles
Blossom (Powerpuff Girls series) as Sandy Cheeks
Twilight Sparkle (My Little Pony Trilogy) as Mr Eugene Krabs
Bun Bun (Learning with Pibby) as Gary the snail
Shifu (Kung Fu Panda franchise) as Ms Puff (Since they are both teachers)
Spike the dragon (My Little Pony Trilogy) as Pearl Krabs
Cozy Glow (My Little Pony Trilogy) as Sheldon J Plankton
Grubber (My Little Pony: The Movie) as Karen