Because you like Alyx Vance in Half-Life 2

Jesse Aarons' frustration can only find outlet in another world. See them in Bridge to Terabithia.

Detective Alec Hardy doesn't let anyone get too close to him. See them in Broadchurch.

Never shy about sharing what she thinks, Beatrice loves to make smart remarks and keep men on their toes. See them in Much Ado About Nothing.

A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.

Sue Sylvester has a win-at-all-costs philosophy, a bizarre fixation on a school singing club, and a fashion style that involves a red tracksuit. See them in Glee.

He's an eccentric pirate making it up as he goes along. He's Jack Sparrow, savvy? See them in Pirates of the Caribbean: the Curse of the Black Pearl.

The only thing that can match Rose's looks are her hot temper and free spirit. See them in Titanic.

The crown prince of the Fire Nation, Zuko has been ordered by his father to find the long-lost Avatar before he is allowed to return home. See them in Avatar: The Last Airbender.

Angel is fighting as best as he can, but the disease might be too powerful for even his strong, positive energy. See them in Rent.

Christine Daae has been secretely taking lessons from a phantom musician. It sounded less creepy in her head. See them in The Phantom of the Opera.

Jenny Flint is a devoted wife and daring crime fighter, which is pretty unconventional for a Victorian maid. See them in Doctor Who.

Nina Sayer finally landed the role of prima ballerina, but as tension ramps up in rehearsal, she starts losing her mind. See them in Black Swan.