Impatient Man
Sonny Corleone. He was hot-headed, impulsive. He shouted and screamed. He would lash out in anger rather than wait. His rash actions got him killed before he could become Godfather.
Patient Man
Michael Corleone. He was cool as a cucumber. He seldom raised his voice. He studied the habits of his enemies carefully. He set things up meticulously. When the time was right, he took out all of his opposition in one fell swoop. He became Godfather