John Curtis Holmes aka Johnny Wadd is the most prolific male porn stars of all time, achieving household name status during the 1970s-80s. His starred in as many as 2,500 hardcore movies over nearly 2 decades, from 1969-1988. John was best known for his exceptionally large cock, which was promoted as being the largest in the biz. Although no definitive measurement of his dick exists, it is rumored to be around 12.5 inches. Holmes once estimated he'd had sex with over 14,000 women (on and off screen), and was truly a porn legend.