Kenneth Wayne Shamrock is an American bare-knuckle boxing promoter, professional wrestler, and retired mixed martial artist and kickboxer, currently signed with Impact Wrestling. A UFC Hall of Fame member, Shamrock is widely regarded as one of the greatest fighters in the history of MMA, as well as an icon and pioneer of the sport. He has headlined over 15 main events and co-main events in the UFC and Pride FC and set numerous pay-per-view records. In the early part of his UFC career, Shamrock was named "The World's Most Dangerous Man" by ABC News in a special called "The World's Most Dangerous Things". The moniker has stuck as his nickname.