Because you like Michael Myers in Halloween

Sylar's victims are found all over the country, many with their brains removed. See them in Heroes.

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.

Hannah Horvath is kind of a mess, but she owns her messiness in a way few people do. See them in Girls.

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

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

Abbi Abrams is the ultimate wingwoman because she wants nothing more than to have a good time for its own sake. See them in Broad City.

An exuberant prankster, Naruto Uzumaki craves acknowledgement of any kind. See them in Naruto.

When a half-breed breaks the rules, John Constantine deports them straight back to hell. He's trying to buy his way into heaven. See them in Constantine.

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

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

Rachel Goldberg is a drama-causing reality TV producer with the power to ruin people's lives at the click of a button. See them in UnREAL.

Therese Belivet spent her life letting other people guide her along, and she wants to take control now. See them in Carol.