Because you like C. J. Cregg in The West Wing

Kazuma Kiryu's legendary strength and exploits have earned him the nickname of Dragon of Dojima. See them in Yakuza.

There's more to this sweet, caring landlady than meets the eye. See them in Sherlock.

Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in DC Extended Universe.

When the Sorting Hat touched Draco Malfoy's head, it placed him in Slytherin, a house that has turned out more dark wizards than any other. See them in Harry Potter Series.

Damon Salvatore used to miss being human. Now he can't think of anything more miserable. See them in The Vampire Diaries.

It’s usually the good-looking, charismatic, play-by-their-own-rules types that get everyone into trouble, and Tyler Durden is Exhibit A. See them in Fight Club.

Dustin Henderson doesn't let the bullies get to him. He's secure in who he is and that his friends have his back. See them in Stranger Things.

Did he ever tell you the definition of insanity? Just wait, and this psychopath will do just that. See them in Far Cry 3.

A genetic experiment engineered to be the perfect assassin, Agent 47 is cold, professional, and lethal. See them in Hitman.

Squidward Tentacles is a pretentious clarinet player in search of peace and quiet. See them in SpongeBob SquarePants.

Wendy Corduroy is the ultimate in cool in Gravity Falls. See them in Gravity Falls.

Casey Gardner is an angsty teenage girl with quite a bit of sass that keeps getting her in trouble. See them in Atypical.