Because you like Sebastian Valmont in Cruel Intentions

Blunt but anxious, Gretchen Ross bonds most easily with those who have lived tough lives like she has. See them in Donnie Darko.

Izzie Stevens is a model-turned-med student who can do it all, even if people underestimate her. See them in Grey's Anatomy.

Kim Kelly is a high school bully who's normally in a bad mood. But there's a softer side to her. See them in Freaks and Geeks.

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

A working class janitor with a world-class mind, Will Hunting is cocky, brash, and combative about his future. See them in Good Will Hunting.

Sam Montgomery works hard, but her evil stepmother makes sure her efforts don't pay off. See them in A Cinderella Story.

Anya Jenkins has a real harsh bark to go with her demonic bite. See them in Buffy the Vampire Slayer.

Billy Butcher's job is to give everyone hell by any means necessary. See them in The Boys.

Be careful around Marie Laveau. There's no one more vengeful than a double-crossed voodoo queen. See them in American Horror Story.

Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.

The biggest nerd in high school, Bill Haverchuck is the biggest target for bullies. See them in Freaks and Geeks.

Don't ask the ruthless queen of the Tokyo underworld any questions unless you're fine with losing a limb. See them in Kill Bill vol. 1.