Because you like Sebastian Valmont in Cruel Intentions

Jack Twist is a playful free-spirit, but he isn't afraid to fight for what he wants. See them in Brokeback Mountain.

Herion is Mark Renton's favorite drug. He sniffs it, smokes it, swallows it, sticks it up his arse, and injects it into his veins. See them in Trainspotting.

Galina Reznikov is the head chef of prison, cooking up meals as well as storms on anyone who dares to cross her; even the guards are terrified of her. See them in Orange Is The New Black.

Kara "Starbuck" Thrace will beat you in cards, drink you under the table, then fly circles around you in her fighter plane. See them in Battlestar Galactica.

Amy Santiago likes following the rules a little too much. See them in Brooklyn Nine-Nine.

Miss Havisham is the creepiest old rich lady in town. See them in Great Expectations.

Michelle Richardson's world revolves around her boyfriend. Alas, his world doesn't revolve around her. See them in Skins.

Amy Farrah Fowler deserves sainthood for putting up with Sheldon Cooper. See them in The Big Bang Theory.

Rayon is kinder to the world than the world is to her. See them in Dallas Buyers Club.

Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.

Holden Caulfield is convinced that the whole adult world is full of phonies. See them in The Catcher in the Rye.

Don't mess with Mickey Milkovich unless you want to see the wrong side of one of his many guns. See them in Shameless.