Because you like Leonardo in Teenage Mutant Ninja Turtles

An outgoing and quirky optimist, Louisa Clark has a zest for life. See them in Me Before You.

Andrea Sachs' boss is not happy unless everyone around her is panicked, nauseous or suicidal. See them in The Devil Wears Prada.

Kathryn Merteuil may be a vain sociopath, but you won't be able to look away. See them in Cruel Intentions.

Cher Horowitz may have a problem with hubris, but she looks utterly fabulous while learning a lesson about the dangers of meddling. See them in Clueless.

While Cassie Ainsworth's head is always in the clouds, her heart is always in the right place. See them in Skins.

The adventurous daughter of Port Royal's governor, Elizabeth Swann would rather conspire with pirates than sit pretty in her corset. See them in Pirates of the Caribbean: the Curse of the Black Pearl.

Melinda May is a woman of few words and many talents. Most of them martial. See them in Marvel Cinematic Universe.

This high school queen bee has everything, including a genius-level IQ—a fact Lydia Martin keeps hidden to maintain her image. See them in Teen Wolf.

In the Land of the Dead, finally free from the restrictive customs of Victorian society, Victor Van Dort is coming out of his shell. See them in Corpse Bride.

Juno MacGuff is hoping sarcasm will get her through the stress of teenage life. And also, teenage pregnancy. See them in Juno.

Effy Stonem is cool and collected with a wry smile on her face and a cigarette between her lips. See them in Skins.