Suggestions by @crowbus940

Hugo Weaving

as Actors for Evil Na'vi Antagonist in List of Actors for Evil Na'vi Villain in Avatar the Seed Bearer

Green Goblin (Norman Osborn)

as Characters in What characters do Michael Wincott needs to play

King Bowser Koopa Sr.

as Characters in What characters do Michael Wincott needs to play

Jafar (Aladdin)

as Characters in What characters do Michael Wincott needs to play

The Riddler (Edward Nigma)

as Characters in What characters do Michael Wincott needs to play

Mr. Freeze (Dr. Victor Fries)

as Characters in What characters do Michael Wincott needs to play

Lex Luthor

as Characters in What characters do Michael Wincott needs to play

Chameleon (Dmitri Smerdyakov)

as Characters in What characters do Michael Wincott needs to play

Jigsaw (Marvel)

as Characters in What characters do Michael Wincott needs to play

The Jigsaw Killer

as Characters in What characters do Michael Wincott needs to play

Electro (Max Dillon)

as Characters in What characters do Michael Wincott needs to play

The Joker (Character)

as Characters in What characters do Michael Wincott needs to play

Jon Hamm

as Actors for Evil Na'vi Antagonist in List of Actors for Evil Na'vi Villain in Avatar the Seed Bearer

Christian Bale

as Actors for Evil Na'vi Antagonist in List of Actors for Evil Na'vi Villain in Avatar the Seed Bearer

Ralph Fiennes

as Actors for Evil Na'vi Antagonist in List of Actors for Evil Na'vi Villain in Avatar the Seed Bearer

Henry Cavill

as Actors for Evil Na'vi Antagonist in List of Actors for Evil Na'vi Villain in Avatar the Seed Bearer

Agent Smith

as Characters in What characters do Michael Wincott needs to play

Carnage (Cletus Kasady)

as Characters in What characters do Michael Wincott needs to play

Black Mask

as Characters in What characters do Michael Wincott needs to play

Guy Pearce

as Actors for Evil Na'vi Antagonist in List of Actors for Evil Na'vi Villain in Avatar the Seed Bearer