Because you like Dorothy Gale in The Wizard of Oz

When the going gets tough, Dre Johnson gets tougher. Well, he'd like to think he does. See them in Blackish.

Aldous Snow is a rock star who plays hard and parties harder. See them in Get Him to the Greek.

Effortlessly sexy, calm, and collected, Eric Northman is equally at home ripping off heads and flirting with waitresses. See them in True Blood.

Known as the "rat king" of Paddy's Pub, bartender Charlie Kelly spends most of his time drinking at his bar instead of serving drinks to customers. See them in It's Always Sunny in Philadelphia .

Did he ever tell you the definition of insanity? Just wait, and this psychopath will do just that. See them in Far Cry 3.

John Locke is an eerily calm, confident believer in the magic of the island that gave him his legs back. See them in Lost.

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.

For Louie C.K., comedy is tough but fatherhood is even tougher. See them in Louie.

Jin Kazama is a fearsome warrior torn between the darkness and the light. See them in Tekken .

Everyone Barney Stinson knows is getting married or pregnant. But he's just getting more awesome. See them in How I Met Your Mother.

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

A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.