Butch Cassidy (born Robert LeRoy Parker) was a famous outlaw in the American west. He partnered with the Sundance Kid and formed an outlaw gang that used Hole-in-the-Wall as a hideout. In 1936, while attempting to turn the Hopi cave into a criminal hideout like Hole-in-the-Wall, Busby Giles compared his effort to that of the famous Butch Cassidy and the Sundance Kid.