Suggestions by @jesselee

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

Anakin Skywalker (Darth Vader)

as Darth Vader in Thanksgiving

Shrek (Character)

as Shrek in Thanksgiving

Princess Elena

as Princess Elena in Thanksgiving

Patrick Star

as Patrick Star in Thanksgiving

SpongeBob SquarePants (character)

as SpongeBob SquarePants in Thanksgiving

Darby

as Darby in Thanksgiving

Eeyore

as Eeyore in Thanksgiving