Bernard Hopkins, known as the Executioner (born January 15, 1965, in Philadelphia, Pennsylvania) is an American boxer. He is known for his ten year reign as middleweight world champion in which he successfully defended his title a record 20 times. He is the first fighter to retain all 4 major boxing governing body belts including the Ring Magazine belt in the same fight. He is the oldest man to ever hold the middleweight championship in professional boxing.
Source : WIkipedia.com