Because you like Nick O'Leary in Nick and Norah's Infinite Playlist

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

Usually the life of the party, Laszlo is now seriously planning the vampiric takeover of the New World. Or at least Staten Island. See them in What We Do In The Shadows.

Claire Underwood is scary intimidating, and she knows it. See them in House of Cards.

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

Suzaku Kururugi defeats enemies with his flashy but deadly jump kicks. But he's willing to sacrifice himself for peace. See them in Code Geass.

Despite this being Robin Buckley's first rodeo with the strange things that go down in Hawkins, she is quick to adapt and proves herself to be a loyal friend. See them in Stranger Things.

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.

A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.

Tobias "Four" Eaton is only afraid of four things, but you should probably be afraid of him. See them in Divergent.

After surviving a CIA mission that was supposed to kill him, ex-military man John Reese bets it all on a chance to redeem himself. See them in Person of Interest.

A good guy who's made some bad choices, Scott Lang is driven in his quest for redemption. See them in Marvel Cinematic Universe.

Rue Bennett has been overprescribed and under-supervised her entire life. See them in Euphoria.