this all depends on what form of media he's in and what role he plays in it
musical: the best villain song you've heard in a while
video game: carnage(Rip and Tear)
horror: run while you still can. he may be short but he is at the perfect height(for men) to remove your children privileges or(for both) to tear your legs shreds.

he's preparing to make steam whistle sound effects

Time for this knight, to make villians see day light.

That stare...

design goes insanely hard