Because you like Rory Williams in Doctor Who

Christian Grey is just as controlling in the bedroom as the boardroom. See them in Fifty Shades of Grey.

Leonidas is not the kind of king who merely gives orders; rather, he's out on the battlefield fighting alongside his men. See them in 300.

Teddy Sanders loves his frat brothers so much he might never leave school. See them in Neighbors.

A master manipulator, Frank Underwood has a tight grip on Washington DC. Plus who doesn't like having a leader who frequently tosses off Shakespearean asides? See them in House of Cards.

Steve Stifler is more than just a dude with a hot mom. He's also rude, profane, and obnoxious. See them in American Pie.

An aloof punk rock goddess, Nana Osaki has a surprisingly big heart. See them in Nana.

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.