Because you like Selene in Underworld

Twisted and seemingly soulless, Bellatrix Lestrange finds joy in making others suffer. See them in Harry Potter Series.

Bumbling, jolly, and loyal, Rubeus Hagrid has the uncanny ability to make the best of a bad situation. See them in Harry Potter Series.

Anastasia Steele's new boyfriend Christian might as well come with a warning label that reads "Beware: Severe Issues That Might Warrant a Trip to Dr. Phil." See them in Fifty Shades of Grey.

Just a hint of human emotion lurks under the enigmatic exterior of Rei Ayanami. See them in Neon Genesis Evangelion.

It's certainly easier to get great footage of crimes when you can guarantee they'll happen. See them in Nightcrawler.

Driven yet empathetic, Emily Prentiss brings humanity to the pursuit of inhuman killers. See them in Criminal Minds.

Kevin Khatchadourian is a disturbed, affect-less teen on a dark path. See them in We Need to Talk About Kevin.

Freddie Freeman is a superhero aficionado with a dark sense of humor. See them in DC Extended Universe.

Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.

Claire Standish is a popular, perfect princess who's deeper than she seems. See them in The Breakfast Club.

Sensual, wild, and with a penchant for controlled substances, Lily is a ballet dancer who isn't afraid to let loose. See them in Black Swan.

Carol Aird is driven to fight to make her life better, regardless the consequences. See them in Carol.