Because you like Ursula in The Little Mermaid

A majestic ruler, Mufasa is respected throughout the animal kingdom. See them in The Lion King.

Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.

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

Ted is a cursing, smoking, drinking teddy bear who's anything but cuddly. See them in Ted.

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

Dolores Umbridge keeps her villainy hidden (albeit poorly) behind a sheen of sugary pink politeness. See them in Harry Potter Series.

Scar is sneaky, snarky, and always striving for more power. See them in The Lion King.

Just because he rules Hades, doesn't mean he can't be fun! See them in Hercules.

White Witch's heart is as frozen as the land she rules. See them in The Chronicles of Narnia.

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.

N'Jadaka is a righteous man with a violent agenda. See them in Marvel Cinematic Universe.

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