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

Wei Shen is an undercover cop on a mission for justice (or at least vengeance). See them in Sleeping Dogs.

A girl who grew up on stories, Meggie Folchart is as loyal and intrepid as one of her fictional heroines. See them in Inkheart.

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

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

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.

You'll never get Alaska Young. And that's the whole point. See them in Looking for Alaska.

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

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

Sarah Ashburn lives life by the book and has trouble getting along with anyone who doesn't do the same. See them in The Heat.

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

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Suzy Bishop is only 12, but her withering stare and withdrawn personality are enough to make anyone wilt.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