Because you like Christopher John Francis Boone in The Curious Incident of the Dog in the Night-Time

Roger Kint is a nervous, weak, ham-handed criminal. We think. See them in The Usual Suspects.

The party never really ends with Penny Lane, a rock-worshipping groupie who is refreshingly self-aware and free-spirited. See them in Almost Famous.

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.

Ava may just be the perfect woman. So long as she can pass a Turing test. See them in Ex Machina.

An outgoing and quirky optimist, Louisa Clark has a zest for life. See them in Me Before You.

Eleanor puts up a tough front, even when everyone else tries to tear her down. See them in Eleanor and Park .

A suave womanizer, Jacob Palmer has turned seduction into a science. See them in Crazy, Stupid Love.

Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.

A suave manipulator, Sebastian Valmont is valiantly fighting off a developing conscience. See them in Cruel Intentions.