Because you like James P. Sullivan in Monsters, Inc.

Raised to happily follow the rules, Cassia might actually be more rebellious than she thinks she is. See them in Matched .

Dimitri Belikov is a stoic vampire guardian who has the reserve, focus, and discipline of a soldier. See them in Vampire Academy .

Smart but insecure, Tally Youngblood is torn between what she wants and what her society demands. See them in Uglies.

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.

David Wooderson has clocked in hundreds of hours cruising around town looking for fun. See them in Dazed and Confused.

Kathy is a natural caretaker who strives to find hope in even the darkest of times. See them in Never Let Me Go.

Hawkeye Pierce is a Devil-may-care Army doc who'd have the Devil laughing and drinking in five minutes flat. See them in M*A*S*H.

A secret smoker, Margot Tenenbaum has plenty more secrets where that came from. See them in The Royal Tenenbaums.

Suzy Bishop is only 12, but her withering stare and withdrawn personality are enough to make anyone wilt. See them in Moonrise Kingdom.

Cosima Niehaus loves exploring the unknown. Even her own DNA is a puzzle, waiting to be unlocked. See them in Orphan Black.

Carrie Bradshaw is a sex columnist addicted to expensive shoes, Cosmopolitan martinis, and unavailable men. See them in Sex and the City.