Because you like Steven Freeling in Poltergeist

With those dearest to him dead and no one to trust, Max Rockatansky is a slightly hysterical man alone on the run in a post-apocalyptic world. See them in Mad Max: Fury Road.

Leatherface's moods change with his masks. See them in The Texas Chainsaw Massacre.

Velma Kelly will do anything to get the limelight back. See them in Chicago.

Be careful around Marie Laveau. There's no one more vengeful than a double-crossed voodoo queen. See them in American Horror Story.

Alex Danvers is a brilliant engineer tasked with alien threats, and one of those aliens is her adopted sister Supergirl. See them in Supergirl.

This android may not have emotions, but Lt. Commander Data's curiosity about humanity is endless. See them in Star Trek: The Next Generation.

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

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

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.

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.

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

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