Because you like Tony Mendez in Argo
Wei Shen is an undercover cop on a mission for justice (or at least vengeance). See them in Sleeping Dogs.
Red doesn't like to explain herself. She wants her work to do the talking. See them in Transistor.
Beware! Anton Chigurh carries a coin with him, which he forces his victims to flip to decide whether they will live or die. See them in No Country for Old Men.
Jim Stark is a teen torn apart by what the world asks of him. See them in Rebel Without A Cause.
While Alan Garner is loyal to his new friends, his efforts to help them often do more harm than good. See them in The Hangover.
A jaded skeptic who only wants to get paid, Garrett becomes involved in bigger struggles that force him to be less self-serving. See them in Thief.
Loyal to his family and associates and distrustful of anyone else, Tony Soprano is a good guy to have on your side. See them in The Sopranos.
A powerful mob boss, Vito Corleone is always making offers people can't refuse. See them in The Godfather.
M. Bison is a diabolical megalomaniac hell-bent on dominating the world. See them in Street Fighter.
The only thing standing between Rocky Balboa and glory is the person facing him in the boxing ring. See them in Rocky Series.
Celie Johnson says she's poor, black, and may even be ugly. But dear God she's here. See them in The Color Purple.
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.