Because you like Principal Skinner in The Simpsons

Hank McCoy is a quintessential nerdy scientist but with a few rather unconventional physical attributes. See them in X-Men Series.

Thanos is an intergalactic warlord, on the hunt for infinite power. See them in Marvel Cinematic Universe.

Brian Griffin is the most scholarly member of the family—when he's not drunk on martinis. See them in Family Guy.

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.

Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.

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

Rick Dalton is an aging actor with insecurity issues. See them in Once Upon a Time in Hollywood.

Samwell Tarly is a scholar, not a fighter. But that's not good for an aspiring member of the Night's Watch. See them in Game of Thrones.

Christine Palmer is a great surgeon and an even better friend. See them in Marvel Cinematic Universe.

Talking to a stranger on a train is the best decision Jesse Wallace ever made. See them in Before Sunrise.

A poised, stately man-out-of-time, Ichabod Crane typically faces the modern world with wry quip. See them in Sleepy Hollow.