Because you like Tenth Doctor in Doctor Who

An off-beat dork, John Egbert is funny, inventive, and endlessly optimistic. See them in Homestuck.

In Ziva David's world, you grow up fast; you don't have a choice. See them in NCIS.

Though she can seamlessly flit between glamorous identities, Sydney Prosser is more vulnerable than she pretends to be. See them in American Hustle.

Carol Aird is driven to fight to make her life better, regardless the consequences. See them in Carol.

Stubborn, impulsive, and fun-loving, Hallie Parker is not afraid to devise some schemes to bring her family together. See them in The Parent Trap.

Although Jareth seems like he's just a harmless romantic, his powers make him a formidable foe. See them in Labyrinth.

V is a violent anarchist with literally nothing left to lose. But, he might have a point. See them in V for Vendetta.

Just because he rules Hades, doesn't mean he can't be fun! See them in Hercules.

Don't underestimate Maggie Greene. She's a farm girl with a mission. See them in The Walking Dead.

Sally Albright is high maintenance who she thinks she's low maintenance. But she's still worth it. See them in When Harry Met Sally....

Marshall Eriksen is a lawyer in love who is enjoying life. See them in How I Met Your Mother.

Mark Sloan is the best plastic surgeon and biggest playboy the hospital's ever seen. See them in Grey's Anatomy.