Because you like Jack Harkness in Doctor Who

Walter White's knowledge of chemistry allows him to cook astoundingly pure meth, leading to a rapid – albeit tumultuous – rise in the criminal drug world. See them in Breaking Bad.

Usagi Tsukino may look like a lazy teen, but when Usagi conjures up her alter ego and calls her Sailor Scout team, no villain stands a chance. See them in Sailor Moon.

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.

The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.

Mark Zuckerberg has achieved everything he's ever wanted, and he's proving to the world how brilliant he is. But happiness eludes him. See them in The Social Network.

A lone wolf with a confrontational streak, Bigby wants to dedicate his life to doing good. See them in The Wolf Among Us.

Rarity has been dreaming of the day her designs will dazzle Canterlot. See them in My Little Pony.

Smart but insecure, Tally Youngblood is torn between what she wants and what her society demands. See them in Uglies.

Paris Geller is a newspaper editor, class president, and headed for Harvard. See them in Gilmore Girls.

Joel is a hardened, jaded survivor who keeps finding things to fight for. See them in The Last of Us.