Because you like Lt. Commander Data in Star Trek: The Next Generation

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

Despite the war-torn world around him, Mal Reynolds still holds onto the shred of hope that life can be more than just living another day. See them in Firefly.

A poised, stately man-out-of-time, Ichabod Crane typically faces the modern world with wry quip. See them in Sleepy Hollow.

Ianto Jones' withdrawn nature conceals his emotional pain. See them in Torchwood.

There can be no doubt that Ben Linus is a huge liar. But one man's lies are another man's necessary steps to protect his people. See them in Lost.

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

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

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

Anya Jenkins has a real harsh bark to go with her demonic bite. See them in Buffy the Vampire Slayer.

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.

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

Cyclops shoots lasers out of his eyes, destroying anything in his line of sight. See them in X-Men Series.