Cole Thornton: Just a minute, son. Mississippi: I am not your son. My name is Alan Bourdillon Traherne. Cole: Lord almighty. Mississippi: Yeah, well, that's why most people call me Mississippi. I was born on the river in a flatboat.
Leigh Brackett (1915–1978), U.S. screenwriter, and From The Novel The St. Howard Hawks. Cole Thornton (John Wayne), Mississippi/Alan Bourdillon Traherne (James Caan), El Dorado, Mississippi introduces himself to Cole Thornton (1966).