Ricky Dunigan (November 17, 1973 – December 20, 2013), better known by his stage name Lord Infamous, was an American rapper from Memphis, Tennessee. He was best known as co-founder of the Memphis rap group Three 6 Mafia. He was also the half-brother of Three 6 Mafia member DJ Paul. His lyrics touched on subjects such as Satanism, mass murder, and torture.