Because you like Unnamed in Fight Club
Ponyboy Curtis is a "Greaser" on the surface, but he's a sensitive poet underneath. See them in The Outsiders.
Sarah Kerrigan is pretty much the Queen Bitch of the Universe. See them in StarCraft .
Though she can seamlessly flit between glamorous identities, Sydney Prosser is more vulnerable than she pretends to be. See them in American Hustle.
A genetic experiment engineered to be the perfect assassin, Agent 47 is cold, professional, and lethal. See them in Hitman.
Frank West enjoys the adventure that comes from his work. But a zombie outbreak might be a little too much even for him. See them in Dead Rising.
Bedside manner is for chumps, not the brilliant Dr. Gregory House. See them in House M.D..
While Jay Gatsby doesn't necessarily like to attend his parties, he knows how to throw a world-class bash. See them in The Great Gatsby.
For somebody who won't answer questions, the enigmatic C.C. sure asks a lot of them. See them in Code Geass.
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.
A great galactic bounty hunter, Samus Aran is not as good at expressing emotions. See them in Metroid.
Underneath Fakir's sarcastic exterior is a loyal friend. But his loyalty borders on being possessive of his friends. See them in Princess Tutu.
Blaine Anderson is a put-together prep school boy with the voice of an angel. See them in Glee.