Metal sonic! My favorite villain

Megatron

Megatronus Prime

Motormaster

maleficent

Morag

Master Chen

Maul

Magento

Mysterio

Mother Gothel

M.O.D.O.k

Mr. Freeze

Monstro

Malfoy

Mojo Jojo

Medusa

Miss Circle

Mommy Long legs

Miss Delight

Mimic

Molten Freddy

M.X.E.S

Mephiles the Dark

Mixmaster

Mommy Mearest

Mr. E

Mister. F

Mercenaries

Moriarty

Major Mayhem

Moff Gideon

Mayor Shelbourne

Mechanic

Again. Most of which I already covered. Yaaaawn

No you didn’t stop saying that

At least most of them are ones I name

Maleficent

@XShadowDuelistX

Mysterio - check

Megatronus Prime - Check

Maul - Check

Megatron - check

Magneto - check

M.O.D.O.K. - check

Mr. Freeze - check

That’s only seven. I mention a lot more news ones

Fine. At least a third. Then.

Mortarion (40k)

Magnus the Red (40k)

Marco Inaros (The Expanse)

Mahito.