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

Buttercup is a farm girl turned princess who'd do anything to have her old life back. See them in The Princess Bride.

As an undercover cop, Schmidt is getting to relive high school as a cool kid. See them in 21 Jump Street.

Joey Potter is a low-key girl next door in love with her best friend. See them in Dawson's Creek.

Lazy and cynical‚ Bernard Black is the ultimate curmudgeon. See them in Black Books.

Tiffany Doggett is usually a nice, good Christian. Just don't get her riled up! See them in Orange Is The New Black.

Juno MacGuff is hoping sarcasm will get her through the stress of teenage life. And also, teenage pregnancy. See them in Juno.

Rose Hathaway is a reckless, rebellious smartass who's training to be a royal vampire guardian. See them in Vampire Academy.

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

Alex DeLarge likes his favorite milk-based, drug-laced cocktail. It helps him get in the mood for a night of "ultra violence." See them in A Clockwork Orange.

Wanderer is a Soul, a parasite sent into a host to take over their body, extracting information from them and colonizing their species. See them in The Host.

Matt Flamhaff is not too concerned about being part of the popular crowd. Too bad his best friend is. See them in 13 Going on 30 .

Cassie Sullivan is resilient and resourceful, but she's not quite as brave as she pretends to be. See them in The 5th Wave.