Because you like Tiffany Maxwell in Silver Linings Playbook

Blunt but anxious, Gretchen Ross bonds most easily with those who have lived tough lives like she has. See them in Donnie Darko.

Olivia Benson brings order to a world full of chaos. And she never forgets who she's fighting for. See them in Law & Order: Special Victims Unit.

Christopher Turk is bringing his A-game to his next big challenge: becoming a surgeon. See them in Scrubs.

The irrepressible Lucy Ricardo has never met a challenge she couldn't scheme her way into or out of. See them in I Love Lucy.

After surviving consecutive fights-to-the-death (damn you, President Snow!), Katniss Everdeen is thrust to the front lines of a real war. See them in The Hunger Games .

Hiccup Haddock III may be the only Viking nerd in recorded history. See them in How to Train Your Dragon.

Marty McFly is a skateboarder, aspiring rock star, and reluctant time-traveler. See them in Back to the Future.

Princess-turned-General Leia Organa is a sharp, fearless royal who gets herself into trouble and fights her way out of it. See them in Star Wars Series.

Merciless and manipulative, Queen Ravenna is determined to become the fairest of them all. See them in Snow White and the Huntsman.

Jack Frost would rather crack a joke or throw a snowball than take anything seriously. See them in Rise of the Guardians.