Holmes was best known for his exceptionally large penis, which was heavily promoted for its length and thickness. He ranks among the most prolific adult film performers, with documented credits for at least 573 films. Holmes or Johnny Wadd (after the lead character he portrayed in a series of related films), was an American pornographic film actor. John Curtis Holmes ( né Estes Aug– March 13, 1988), better known as John C. Wadd, The Duke of Wadd, John Foot Long, Wadzilla, King Wadd, The Human Tripod, Wizard of Wadd, The Sultan of Smut, The Reverse Birth, The Sheriff of Grottingham, Eve's Burden Holmes, John Curtis Holmes, Johnny Holmes, Bigg John, Big John, John Rey, Johnny Wadd, John Sacre, Long John Wadd, Johnny B. John Duval, John Estes, Big John Fallus, Big John Holmes, John C.