Because you like Lt. Commander Data in Star Trek: The Next Generation

The only thing standing between Rocky Balboa and glory is the person facing him in the boxing ring. See them in Rocky Series.

As high-strung as she is talented, Rachel Berry both marches and sings to the beat of her own drum. See them in Glee.

A genetic experiment engineered to be the perfect assassin, Agent 47 is cold, professional, and lethal. See them in Hitman.

John Tyree has survived heavy gunfire and aggressive enemy soldiers. But can he handle a girl? See them in Dear John.

Holden Caulfield is convinced that the whole adult world is full of phonies. See them in The Catcher in the Rye.

Though Ray Holt is a man of few words and even fewer smiles, he cares deeply about his precinct and detectives. See them in Brooklyn Nine-Nine.

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

Wendy Corduroy is the ultimate in cool in Gravity Falls. See them in Gravity Falls.

Timid and a bit insecure, Amy Antsler has big dreams of activism and meeting new people. She's learning it's easier said than done. See them in Booksmart.

Although Jareth seems like he's just a harmless romantic, his powers make him a formidable foe. See them in Labyrinth.