Ozzy Osbourne "13" (2013). His longevity and success have earned him the informal title of "Godfather of Heavy Metal". Osbourne's total album sales from his years in Black Sabbath, combined with his solo work, is over 100 million. As a member of Black Sabbath, he was inducted into the Rock and Roll Hall of Fame, and he was inducted into the UK Music Hall of Fame as a solo artist and as a member of the band. Possessing a distinctive singing voice and as a native of Birmingham, Osbourne is known for his strong Brummie accent – he has a star on
Black Sabbath of "Dehumanizer" in July 1992 with Testament, Danzig, Prong, and Exodus. While on tour, former vocalist Ozzy Osbourne announced his first retirement, and invited Sabbath to open for his solo band at the final two shows of his "No More Tours" tour in Costa Mesa, California. The band agreed, aside from Dio, who told Iommi, "I'm not doing that. I'm not supporting a clown." Dio spoke of the situation years later: Dio quit Sabbath following a show in Oakland, California on 13 November 1992, one night before the band were set to appear at Osbourne's retirement show. Judas Priest vocalist