Because you like Arthur Dent in The Hitchhiker's Guide to the Galaxy
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.
Lloyd Dobler is a kickboxer wearing his heart on his sleeve who would do anything for the woman he loves. See them in Say Anything.
It's hard enough fighting a war. But it's worse for Commander Shepard, knowing no matter how hard you try, you can't save them all. See them in Mass Effect.
Robbie Turner has been accused of a crime he never committed, changing the course of his life forever. See them in Atonement.
The black sheep of his family, Rhett Butler grew up to have charm and to see things as they are. He just doesn't give a damn anymore. See them in Gone with the Wind.
Hawkeye Pierce is a Devil-may-care Army doc who'd have the Devil laughing and drinking in five minutes flat. See them in M*A*S*H.
Ash Williams is a houseware clerk at S-Mart and the Chosen One. See them in The Evil Dead.
Sarah Kerrigan is pretty much the Queen Bitch of the Universe. See them in StarCraft .
The "runt" of his biker gang, Tetsuo Shima grapples with a perpetual inferiority complex. See them in Akira.
This beautiful aesthete wins the hearts of both ladies and men. But Dorian Gray also happens to have his soul sealed in a painting. See them in Dorian Gray.
V is a violent anarchist with literally nothing left to lose. But, he might have a point. See them in V for Vendetta.