Because you like Emmett Brown in Back to the Future

A secret smoker, Margot Tenenbaum has plenty more secrets where that came from. See them in The Royal Tenenbaums.

Ace pilot Asuka Langley Soryu is confident, haughty, and a little less grown-up than she pretends to be. See them in Neon Genesis Evangelion.

Thankfully, Jenna Hamilton has her sense of humor and friends to get her through the endless torture that is high school. See them in Awkward..

Not a great influence with her classmates, this 13-year-old "cool girl" likes to shoplift, chug alcohol, and snort crushed pills. See them in thirteen.

Spike Spiegel is a bounty-hunter with a laidback style and lightning-quick moves. See them in Cowboy Bebop.

Peppy and optimistic, Joy is totally lost when it comes to dealing with Sadness. See them in Inside Out.

L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.

An alien, a time-traveler, and an esper are following Haruhi Suzumiya, who – unknown to herself – is a near-omnipotent reality warper. See them in The Melancholy of Haruhi Suzumiya.

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

Artemis Fowl understands the way of the world. If he wins, he's a prodigy. If he loses, then he's crazy. That is how history is written. See them in Artemis Fowl.

A neurotic people pleaser, Tom Wambsgans is both ambitious and spineless. See them in Succession.