Because you like Peter Venkman in Ghostbusters

Sweet, reserved, and intellectual, Cordelia Foxx would do anything for her students. See them in American Horror Story.

After figuring out how both the light and dark halves of his soul could co-exist, Jak is maturing into a real hero. See them in Jak and Daxter.

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

Eliot Waugh is the unspoken leader of his group of friends at a school for magic. See them in The Magicians.

Herion is Mark Renton's favorite drug. He sniffs it, smokes it, swallows it, sticks it up his arse, and injects it into his veins. See them in Trainspotting.

Merlin is half awkward teenager, half super-powerful wizard. He serves Prince Arthur of Camelot during the day and illegally learns magic at night. See them in Merlin.

Britta Perry has never met a cause she couldn't passionately champion—at least for a little bit. See them in Community.

As Marlena Rosenbluth is finding out, confidence in the limelight doesn't always translate to power at home. See them in Water for Elephants.

Rose Tyler may have not done too well in school, but she's certainly holding her own in space. See them in Doctor Who.

Galina Reznikov is the head chef of prison, cooking up meals as well as storms on anyone who dares to cross her; even the guards are terrified of her. See them in Orange Is The New Black.

Robbie Turner has been accused of a crime he never committed, changing the course of his life forever. See them in Atonement.

Ratchet is a shoot-first, ask-questions-later, and then-shoot-again kind of lombax. See them in Ratchet & Clank.