Because you like Leonardo in Teenage Mutant Ninja Turtles

Sid Jenkins is the ultimate underachiever, but he doesn't mind. Well, he pretends he doesn't. See them in Skins.

After becoming accepted into the group of popular girls, Tracy Freeland has turned from a sweet and reserved teenager into a monster. See them in thirteen.

Brilliant but self-destructive, Lip Gallagher spends more time stirring up trouble than hitting the books. See them in Shameless.

Carl Gallagher is a budding psychopath fascinated with rule breaking. See them in Shameless.

Celine's a spontaneous Parisian college student enjoying the night of her life. See them in Before Sunrise.

Hayley Stark is a sarcastic 14-year-old with an unusual passion. See them in Hard Candy.

A bookish know-it-all with a bossy streak, Hermione Granger always stands up for what she believes in. See them in Harry Potter Series.

When the Sorting Hat touched Draco Malfoy's head, it placed him in Slytherin, a house that has turned out more dark wizards than any other. See them in Harry Potter Series.

Jack Frost would rather crack a joke or throw a snowball than take anything seriously. See them in Rise of the Guardians.

Bridget Jones is a wanton sex goddess, struggling 30-something, and semi-hot mess. See them in Bridget Jones's Diary.