Because you like Kathryn Merteuil in Cruel Intentions

Olive Hoover is an irrepressible child beauty queen (or would-be queen) who doesn't play by your rules. See them in Little Miss Sunshine.

Andrea Sachs' boss is not happy unless everyone around her is panicked, nauseous or suicidal. See them in The Devil Wears Prada.

Blaine Anderson is a put-together prep school boy with the voice of an angel. See them in Glee.

A reclusive introvert, Liz Sherman has a temper that's literally lethal. See them in Hellboy.

Columbus can't trust anyone. The first girl he let into his life tried to eat him. See them in Zombieland .

Cosmo Kramer is an eccentric schemer whom you might know better as the "Assman." See them in Seinfeld.

Pengiuns, turtles, and all things scientific is where Sam's expertise lies. Girls are uncharted territory, but Sam is trying to branch out. See them in Atypical.

Michael Moscovitz is a high school student of few words but a lot of heart. See them in The Princess Diaries.

Kevin Khatchadourian is a disturbed, affect-less teen on a dark path. See them in We Need to Talk About Kevin.

Her unhappy childhood has left her unsure of the existence of happy endings. Mary Jane Watson hides her pain beneath a joke and a smile. See them in Marvel Cinematic Universe.

Ariel knows there's a whole other world above the sea, but exploring it comes at a big price. See them in The Little Mermaid.

The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.