Because you like Richie Tozier in It

Not only will Emmett Brown's time-saving gadgets help you travel with ease, his tinkering on your car will help you get wherever you need to go. Fast. See them in Back to the Future.

Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.

A bloodsucker, Carlisle Cullen is actually more likely to give you a blood infusion. See them in Twilight.

A suave proprietor of an upscale nightclub and gambling den, Rick Blaine is dealing with World War II and a broken heart. See them in Casablanca.

Serena van der Woodsen is a wild child. Too wild, her friends and family might argue. See them in Gossip Girl.

Shaun is used to being lazy. And now, you're asking him to fight for his life? See them in Shaun of the Dead.

Ramona Flowers is a delivery girl who's been through her fair share of bad breakups. Super-bad breakups! See them in Scott Pilgrim vs. the World.

Think you grew up fast? At 12, Mathilda is an aspiring assassin eager to avenge her family's murder. See them in Leon: The Professional.

Jack's big imagination is never limited by his incredibly cramped surroundings. See them in Room.

Timid and a bit insecure, Amy Antsler has big dreams of activism and meeting new people. She's learning it's easier said than done. See them in Booksmart.

Arthur Dent is an incredibly normal man on an incredibly abnormal adventure. See them in The Hitchhiker's Guide to the Galaxy.

Although Mako Mori may be small and quiet, she is a core of battle-hardened steel. See them in Pacific Rim.