James Grady Johnson (February 5, 1940 to June 23, 2006) was an American professional wrestler, best known by his ring name, "Crazy" Luke Graham. As Luke Graham, Johnson was part of the Graham family, a stable of wrestlers. All members were billed as kayfabe brothers. He worked extensively for various National Wrestling Alliance territories as well as the World Wide Wrestling Federation, where he was a three-time tag-team champion and the inaugural WWWF World Tag Team Champion (alongside Tarzan Tyler).