Because you like John Luther in Luther

Peter Pevensie shows as much courage as a child king as he did under The Blitz of London. See them in The Chronicles of Narnia.

Sue Sylvester has a win-at-all-costs philosophy, a bizarre fixation on a school singing club, and a fashion style that involves a red tracksuit. See them in Glee.

The only constant in Night Vale is Cecil's hypnotic voice. See them in Welcome to Night Vale.

Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.

Merry Brandybuck is a troublemaking hobbit with a brave streak that some might call foolhardy. See them in The Lord of the Rings.

Few can match this dwarf when it comes to self-confidence. Gimli is as eager for a good time as he is for a fight. See them in The Lord of the Rings.

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

Strong-willed Norah Silverberg isn't willing to be the goody bag at anyone's pity party. See them in Nick and Norah's Infinite Playlist.

Combining an innocent face with an insatiable bloodlust, Eli recruits friends to join the vampire way of life. See them in Let the Right One In.

If this slick ad man doesn't like the conversation, he changes it—while drinking and smoking. See them in Mad Men.

Cosmo Kramer is an eccentric schemer whom you might know better as the "Assman." See them in Seinfeld.

Leonard "Bones" McCoy is passionate, moral, and ready to stitch you back together. See them in Star Trek.