Because you like Leonardo in Teenage Mutant Ninja Turtles

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

Don't mess with Mickey Milkovich unless you want to see the wrong side of one of his many guns. See them in Shameless.

Cosima Niehaus loves exploring the unknown. Even her own DNA is a puzzle, waiting to be unlocked. See them in Orphan Black.

Kat Stratford is part of the "out" crowd and proud of it. See them in 10 Things I Hate About You.

Alison DiLaurentis believes you're always better off with a really good lie. See them in Pretty Little Liars.

Fun and feisty on the outside, Meredith Grey is dark and twisty on the inside. See them in Grey's Anatomy.

Maddy Perez seems like an angel until she opens her mouth. See them in Euphoria.

Tyler Gage is going to have to step up soon on the dance floor. Otherwise, it's back to janitorial work. See them in Step Up.

Dimitri Belikov is a stoic vampire guardian who has the reserve, focus, and discipline of a soldier. See them in Vampire Academy .

A natural leader, Clarke Griffin dispenses both justice and mercy, and she does it all while being selflessly humble. See them in The 100.

Tiffany Maxwell wishes people would stop reminding her about her dead husband. See them in Silver Linings Playbook.

A formerly timid caterpillar, Kurt Hummel is transforming into a glamorous, confident butterfly. See them in Glee.