Because you like Ronald "Mac" McDonald in It's Always Sunny in Philadelphia

Kara "Starbuck" Thrace will beat you in cards, drink you under the table, then fly circles around you in her fighter plane. See them in Battlestar Galactica.

John Bender's interests include marijuana, fighting, and breaking the rules. See them in The Breakfast Club.

An underdog with nothing left to lose, Donnie Creed has everything to prove. See them in Creed.

For Vada Sultenfuss, it's hard to embrace growing up when you're obsessed with death. See them in My Girl.

Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.

When you live your life in public, like Mima Kirigoe, it's hard to know who you really are. See them in Perfect Blue.

For Sly Cooper, stealing isn't just about the haul. It's also about the journey. See them in Sly Cooper.

Innately shy, Ginny Weasley is growing into a feisty, independent spirit. See them in Harry Potter Series.

Empathetic Nausicaa embraces all forms of life, even those that might scare other people. See them in Nausicaa of the Valley of the Wind.

Miss Havisham is the creepiest old rich lady in town. See them in Great Expectations.

People make more sense to the hyper-logical Temperance Brennan after they're dead. See them in Bones.

Bart Simpson is an aspiring juvenile delinquent who doesn't want you to have a cow, man! See them in The Simpsons.