Because you like Leonard "Bones" McCoy in Star Trek

It's easy for Brian O'Conner to fake his way into the world of extreme racing because he's been popping cars since his teenage years. See them in The Fast and the Furious.

Will Herondale is an emotionally distant bad boy with a secret. See them in Clockwork Angel .

Driven, resentful, and ruthless, Mello is an emotional powder keg. It's only a matter of time before he explodes. See them in Death Note.

They say money can't buy happiness, but this reckless, high-flying banker knows otherwise. See them in The Wolf of Wall Street.

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.

Tom Hansen is a full-fledged romantic impatiently waiting for his love story. See them in (500) Days of Summer.

While his twin tries to save lives, Millions Knives does the best to end them. See them in Trigun.

Jenko was top dog in high school. Now he's bottom of the pack in the police academy. See them in 21 Jump Street.

While he might be too cool for school, Soul isn't too cool to do the right thing. See them in Soul Eater.

Kat Stratford is part of the "out" crowd and proud of it. See them in 10 Things I Hate About You.

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

Villanelle is a hired assassin who loves committing murder as much as she loves dressing up in fancy pink ballgowns. See them in Killing Eve.