Because you like Kathryn Merteuil in Cruel Intentions

A powerful priestess, Melisandre is shrouded in mystery and lots of red. See them in Game of Thrones.

Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.

CIA operative Carrie Mathison is on a self-assigned mission to follow a lead, whether it be the truth or just her delusions playing tricks. See them in Homeland.

Veronica Lodge is a quintessential mean girl trying to make a better life, and a better self. See them in Riverdale.

Steve Stifler is more than just a dude with a hot mom. He's also rude, profane, and obnoxious. See them in American Pie.

Community-driven but practical, Calvin Palmer is a natural leader even if he doesn't always see it. See them in Barbershop.

Erlich Bachman is an overconfident wannabe mentor blowing all types of smoke around the tech industry. See them in Silicon Valley.

Juno MacGuff is hoping sarcasm will get her through the stress of teenage life. And also, teenage pregnancy. See them in Juno.

There's magic behind Tara Maclay's quiet façade. See them in Buffy the Vampire Slayer.

Told her son will one day save the world, Sarah Connor dedicates her life to training him to do just that. See them in The Terminator.

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

Mother Gothel is a great mother as long as you never, ever, break the rules. See them in Tangled.