Because you like Pamela Voorhees in Friday the 13th

Helena is a mentally unstable, childish, and completely merciless. And most of all, she's an unstoppable killer. See them in Orphan Black.

Arizona Robbins loves being a pediatric surgeon, and the cute orthopedic surgeon downstairs makes coming into work worth her while. See them in Grey's Anatomy.

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

Liu Kang spends his days training his body and spirit, seeking to become the ultimate warrior. See them in Mortal Kombat.

A cruel pirate, Captain Hook still fancies himself a gentleman. See them in Peter Pan.

The seasoned detectives in River Heights have got nothing on amateur sleuth Nancy Drew. See them in Nancy Drew.

Give in to the dark side with vampire Lestat; it's more fun. See them in Interview with the Vampire: The Vampire Chronicles.

Once a loving family man, James Heller is now dark, damaged, and hell-bent on getting revenge. See them in Prototype Series.

Stuck in space, Ryan Stone will either make it back to Earth and have one hell of a story to tell. Or she will burn into the ether. See them in Gravity.

For the sake of science, Kurisu Makise will persevere no matter how deep into the dark secrets of the world she finds herself. See them in Steins;Gate.

As the White House Press Secretary, C. J. Cregg is a master of verbal karate and the best damn basketball player in Ohio Valley history. See them in The West Wing.

April Kepner is an excellent surgeon, but outside of the operating room, she's more anxious than most. See them in Grey's Anatomy.