Because you like Daniel LaRusso in The Karate Kid
Frank Ginsberg is the number one Proust scholar in the world, but he recently failed at committing suicide. See them in Little Miss Sunshine.
Harry Mason has been told that he worries too much, that he's a little paranoid. But he just wants to protect what he loves. See them in Silent Hill.
Jin Kazama is a fearsome warrior torn between the darkness and the light. See them in Tekken .
Although Thomas Sharpe is an English baronet, he doesn't have a Shilling to his name. He's in America to sell his invention and marry rich. See them in Crimson Peak.
His name is Chucky, and he's your friend till the end. Hidey-ho! See them in Child's Play.
Derek Morgan is thoughtful and kind, but he won't say no to knocking the occasional door down when he gets the chance. See them in Criminal Minds.
When push comes to shove, the usually overly cautious Luigi has the heart of a hero. See them in Super Mario Bros..