Because you like Buddy Pine / Syndrome in The Incredibles

A formerly righteous wizard, Saruman has been corrupted by the forces of evil. See them in The Lord of the Rings.

A monstrous pirate captain, Davy Jones is quite literally heartless. See them in Pirates of the Caribbean: the Curse of the Black Pearl.

A short-tempered guy, Bowser is determined to wreak havoc on the Mushroom Kingdom. See them in Super Mario Bros..

Born and raised in the darkness, Bane is determined to have the city totally under his control so that he can demolish it. See them in DC Extended Universe.

Lord Farquaad is a tiny man with big, evil aspirations. See them in Shrek.

Boomerang is equally skilled at tossing boomerangs and tossing back beers. See them in DC Extended Universe.

Anger is a cantankerous hothead whose job is to get others riled up. See them in Inside Out.

Gilderoy Lockhart's biggest idol is himself. See them in Harry Potter Series.

Talos is a mysterious military commander skilled in the art of deception. See them in Marvel Cinematic Universe.

James Gordon happens to be the one guy in Gotham City with proper morals who doesn't also run around in a cape. See them in DC Extended Universe.

A karate master/rocket scientist/squirrel, Sandy Cheeks is the only one who can clean up the other resident's messes in Bikini Bottom. See them in SpongeBob SquarePants.

Eugene H. Krabs is a greedy restaurant owner who won't let a dime out of the reach of his claws. See them in SpongeBob SquarePants.