Because you like Rosemary Woodhouse in Rosemary's Baby

Mavis Dracula's interests are anything black, scream cheese, and flying around. See them in Hotel Transylvania.

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

Christine Daae has been secretely taking lessons from a phantom musician. It sounded less creepy in her head. See them in The Phantom of the Opera.

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.

Foggy Nelson is a principled small-time lawyer fighting for fellow little guys. See them in Marvel Cinematic Universe.

Tom Hansen is a full-fledged romantic impatiently waiting for his love story. See them in (500) Days of Summer.

Though seemingly caring and calm, this motel owner has a mysterious streak of intensity. See them in Psycho.

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

Merry Brandybuck is a troublemaking hobbit with a brave streak that some might call foolhardy. 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.

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