Mephiles The Dark and Joker

Which Joker specifically?

Coincidentally, I just finished watching this movie for the first time.

Bill Cipher

The Thinker (DC Extended Universe)

Pong Krell

Jonas (Tales From The Crypt)

Literally all the "protagonists" in Cannibal Holocaust

Black Noir (comics)

The Thousand

Jon Arbuckle (Pamtri) (I know he's fanon but he sickens me)

Lord Commander

Judge Doom

Sentinel Prime

And David Zaslav

Invictus

Valentino

Samejima

Van Zant

Richard Perkins

Ozai

Governor (TWD both)

Renard from ROH

Sir Isaac Ray Pelham Westcott (Date A Live). He’s simply the Devil Himself, the Embodiment of the Purest and Deepest Evil.

Baron Karza

The Joker