Because you like Janis Ian in Mean Girls

Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.

Wheatley's got an endless supply of bad ideas that he wants to share. See them in Portal Series.

He may seem like a charismatic leader, but Bellamy also has a ruthless, self-serving streak See them in The 100.

Ethical but anxious, Chidi Anagonye approaches life like a problem to be solved. See them in The Good Place.

Stefan Salvatore was the golden boy when he was alive. Can he keep it up as a vampire? See them in The Vampire Diaries.

Derek Hale is not one to make allies easily. This moody werewolf is dark and brooding. See them in Teen Wolf.

Nadine Franklin likes to wallow in her misery almost as much as she likes to torment her mother. See them in The Edge of Seventeen.

Daphne Blake's unfailing enthusiasm keeps the team's morale up even as they're battling evil spirits and other ghouls. See them in Scooby-Doo.

GLaDOS will supply the food when you get together: a delicious cake. Of course, it could just be a trap so she can kill you. It’s hard to say. See them in Portal Series.

Adults call him troubled and kids call him crazy, but Donnie Darko is too busy following the instructions of a giant bunny rabbit to care. See them in Donnie Darko.

People make more sense to the hyper-logical Temperance Brennan after they're dead. See them in Bones.