Because you like Kate Beckett in Castle

This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.

Taystee Jefferson is always down for a laugh and to help a friend out. See them in Orange Is The New Black.

A Hollywood starlet with a vindictive streak, Madison Montgomery is one witch that you shouldn't cross. See them in American Horror Story.

Jasper Jordan is trying his best to make it through the night. See them in The 100.

Meg March might yearn for a life of ballgowns and diamond necklaces, but the boy she falls for doesn't have a penny to his name. See them in Little Women.

The irrepressible Lucy Ricardo has never met a challenge she couldn't scheme her way into or out of. See them in I Love Lucy.

Mike Ehrmantraut is rutheless, merciless, and probably the most endearing hitman you've ever met. See them in Breaking Bad.

A bureaucrat in the Land of the Dead, Manuel Calavera is a jaded, sarcastic loner who just might have a hidden heroic side. See them in Grim Fandango.

Nicky Nichols just wants to settle down with a nice girl, but being in prison is making that a little difficult. See them in Orange Is The New Black.

Roger Kint is a nervous, weak, ham-handed criminal. We think. See them in The Usual Suspects.

Mrs. Lovett is the proud purveyor of the worst, and most grisly, pies in London. See them in Sweeney Todd: The Demon Barber of Fleet Street.

World domination and Superman's demise are next on Lex Luthor's to-do list. See them in DC Extended Universe.