Because you like Voldemort in Harry Potter Series

Cher Horowitz may have a problem with hubris, but she looks utterly fabulous while learning a lesson about the dangers of meddling. See them in Clueless.

Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.

Madoka Kaname's new world of witches is challenging her optimism. Still, even in the worst of circumstances, she holds onto hope. See them in Puella Magi Madoka Magica.

With each reboot, Janet progresses more and becomes capable of human emotions. See them in The Good Place.

Underneath Fakir's sarcastic exterior is a loyal friend. But his loyalty borders on being possessive of his friends. See them in Princess Tutu.

Brian Robeson is a true survivor through and through. See them in Hatchet.

Suzy Bishop is only 12, but her withering stare and withdrawn personality are enough to make anyone wilt. See them in Moonrise Kingdom.

In charge of stocking the office's supply of cigarettes and liquor, Joan Holloway could run the whole company if they would let her. See them in Mad Men.

Dory is more than a little forgetful, but she'll always remember to have your back. See them in Finding Nemo.

Nomi Marks is a brilliant hacker with an open-minded, accepting spirit. See them in Sense8.

There's never a dull moment when this mischievous high-schooler gets up to his hijinks. Save Ferris! See them in Ferris Bueller's Day Off.

Rose Hathaway is a reckless, rebellious smartass who's training to be a royal vampire guardian. See them in Vampire Academy.