Mr Stark.

Who don't know this guy. He was Tony Stark or iron man like we know in iron man movie.
Tony Stark is played by Robert Downey, Jr. In this movie he is the head of Stark Industries.
The rich man that don't care about anything and he was playboy also. Later he was attacked and being kidnapped by the afghan terrorist when he go to Afghanistan for a demonstration of Stark's new weapon. The Afghan terrorist make him to make a missile for them. During that 3 months he and Dr. Yinsen secretly build a crude suit of armor powered by a miniature arc reactor. After he escape from that place he realized that his industries was the one that created a weapon of war and being used by terrorists. Tony Stark then decided to shut down the weapon manufacture and he make himself to be a weapon by being an iron man. That he believe can bring peace to the world.