Because you like Xander Harris in Buffy the Vampire Slayer

Chuck Bass is notorious for his flamboyant sense of style and love of partying. See them in Gossip Girl.

Level-headed Ian Gallagher may be focused on his goals, but he's got a mischievous side too. See them in Shameless.

Sarah Ashburn lives life by the book and has trouble getting along with anyone who doesn't do the same. See them in The Heat.

Christian Grey is just as controlling in the bedroom as the boardroom. See them in Fifty Shades of Grey.

Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.

They say money can't buy happiness, but this reckless, high-flying banker knows otherwise. See them in The Wolf of Wall Street.

Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.

Mystique is a shape-shifting mutant who, after too many disappointments, does not want to co-exist with humans. See them in X-Men Series.

After Otto Octavius' accident, he becomes fixated on finishing the reactor at any cost. See them in Marvel Cinematic Universe.

Nick Fury is an enigmatic, manipulative, and eye-patched director of the Avengers Initiative. See them in Marvel Cinematic Universe.

Rick Sanchez is a gruff, alcoholic mad scientist, with the emphasis on "mad." See them in Rick and Morty.

Tracy Turnblad's got rhythm, and she's determined to share her dance moves with the world. See them in Hairspray.