Because you like Optimus Prime in Transformers

Aldo Raine is in the killing Nazi business. And as he says, business is a-boomin'. See them in Inglourious Basterds.

Mabel Pines loves sparkles, animals, friendship, and fun. See them in Gravity Falls.

Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.

Franklin "Mouse" Finbar is a jock paying the price for his mistake. See them in Jumanji.

Ted Mosby is a hopelessly romantic architect in search of someone to be the mother of his children. See them in How I Met Your Mother.

Dean Forester is just your friendly, neighborhood grocery bag boy. See them in Gilmore Girls.

Eugene H. Krabs is a greedy restaurant owner who won't let a dime out of the reach of his claws. See them in SpongeBob SquarePants.

Butters Stotch is a kind-hearted student who likes ladybugs, Charlie's Angels, art class, baby-back ribs, and Little Bunny Foo Foo. See them in South Park.

The crown prince of the Fire Nation, Zuko has been ordered by his father to find the long-lost Avatar before he is allowed to return home. See them in Avatar: The Last Airbender.

Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.

Josh Lucas just can't stop hanging around his stepsister's house. See them in Clueless.