Because you like Lisa Cuddy in House M.D.

Jane Smith is a stone-cold killer, but you would never know it from looking at her. See them in Mr. & Mrs. Smith.

A Berlin-based locksmith by day, Wolfgang Bogdanow is a world-class thief by night. He can also see out of other people's eyes, but that's a different issue. See them in Sense8.

Izzie Stevens is a model-turned-med student who can do it all, even if people underestimate her. See them in Grey's Anatomy.

Cynical, judgmental, and hipper-than-thou, Enid Coleslaw wears her outsider status like a badge of honor. See them in Ghost World.

Marge Gunderson embodies the very best of the American Midwest. She's kind, friendly, and fiercely honest. See them in Fargo.

A talented OBGYN, Addison Montgomery is trying to figure out the whole love and marriage thing. See them in Grey's Anatomy.

There's more to this sweet, caring landlady than meets the eye. See them in Sherlock.

Kathy is a natural caretaker who strives to find hope in even the darkest of times. See them in Never Let Me Go.

Part archaeologist, part philosopher, part politician, Jean-Luc Picard is an unashamed intellectual who runs a tight ship. See them in Star Trek: The Next Generation.

Jeff Winger thinks he's too cool for school, which is a problem because he just enrolled in community college. See them in Community.

Amy Farrah Fowler deserves sainthood for putting up with Sheldon Cooper. See them in The Big Bang Theory.