There are two bands and one rapper that goes by the name of Butch Cassidy. 1. Butch Cassidy is a singer from the westcoast that appeared on a number of songs by Snoop Dogg, Warren G, WC, Xzibit, Daz, G-Unit, Kurupt and the list goes on. His discography is extensive. Although he is mostly known for singing hooks, his presence is surely unmistakable. He's appeared on hit songs like Lay Low, Loosen' Control and Connected for Life. In 2007, 'Back B4 You're Lonely' is expected to be released. It's a duo album with Damizza.