John Michael "Ozzy" Osbourne (born 3 December 1948) is an English singer, songwriter, and media personality. He rose to prominence during the 1970s as the lead singer of the heavy metal band Black Sabbath, during which period he adopted the nickname "Prince of Darkness". Osbourne became a founding member of Black Sabbath in 1968, providing lead vocals from their self-titled debut album in 1970 to Never Say Die! in 1978.
https://en.wikipedia.org/wiki/Ozzy_Osbourne