Suggestions by @jesselee

Doctor Victor von Doom

as Doctor Doom in Thanksgiving

FAKE

as Madame Mim in Thanksgiving

MagicMan.EXE

as Magic Mirror in Thanksgiving

The Undertaker

as The Undertaker in Thanksgiving

Madame Medusa

as Madame Medusa in Thanksgiving

Frankenstein's Monster

as Frankenstein in Thanksgiving

The Grinch (Character)

as Grinch in Thanksgiving

Vidar Magnussen

as Magic Mirrror in Thanksgiving

Pluto (Disney)

as Pluto in Thanksgiving

Rey Skywalker

as Rey Skywalker in Thanksgiving

Emperor Sheev Palpatine (Darth Sidious)

as Emperor Palpatine in Thanksgiving

Bugs Bunny

as Bugs Bunny in Thanksgiving

Daffy Duck

as Daffy Duck in Thanksgiving

Tootles

as Tootles in Thanksgiving

Nibs

as Njbs in Thanksgiving

Chewbacca

as Chewbacca in Thanksgiving

The Evil Queen

as The Evil Queen in Thanksgiving

Darth Maul

as Darth Maul in Thanksgiving

Slightly

as Slightly in Thanksgiving

The Evil Queen

as The Evil Queen in Thanksgiving