Because you like Principal Skinner in The Simpsons

Think you grew up fast? At 12, Mathilda is an aspiring assassin eager to avenge her family's murder. See them in Leon: The Professional.

Nadine Franklin likes to wallow in her misery almost as much as she likes to torment her mother. See them in The Edge of Seventeen.

Finn is the world's last human who's "all about" understanding right and wrong. See them in Adventure Time.

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

Faced with inequality, Gale Hawthorne has a rebellious spirit that only grows. See them in The Hunger Games .

The ever-cheerful Tonks can change her appearance at will, but she can't seem to get rid of her clumsiness. See them in Harry Potter Series.

Skye is a pluck hacktivist who tries to use her power for good. Unfortunately, " good" isn't always so clear-cut. See them in Marvel Cinematic Universe.

Susanna Kaysen is an aspiring writer, despairing young woman who struggles with suicidal thoughts. See them in Girl, Interrupted.

Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.

There's no obstacle too great for this charismatic treasure-hunter. See them in Uncharted.

This beautiful aesthete wins the hearts of both ladies and men. But Dorian Gray also happens to have his soul sealed in a painting. See them in Dorian Gray.

Edward Kenway can be reckless and greedy, but he's learning that his ancient ancestry carries a noble burden. See them in Assassin's Creed Series.