Because you like Madame Vastra in Doctor Who

Emma Frost's superpower: transforming her body into an unbreakable diamond. See them in X-Men Series.

A formerly righteous wizard, Saruman has been corrupted by the forces of evil. See them in The Lord of the Rings.

Joe West is overprotective and secretive when his children are involved. See them in DC Extended Universe.

Khan Noonien Singh is super strong, super smart, and out for revenge. He always seems to be two steps ahead of his enemies. See them in Star Trek Into Darkness.

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

On the outside, Gwen seems meek and calm. But she has an inner core of steel. See them in Merlin.

Leonardo is spiritual, and devoted to more than just pizza. See them in Teenage Mutant Ninja Turtles.

Hoban Washburne shows you can be a hotshot space pilot *and* play with dinosaurs. See them in Firefly.

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.

Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.

Neal Cassidy is a charming former thief with a heroic side. See them in Once Upon a Time.