John Michael "Ozzy" Osbourne, the "Prince of Darkness" and heavy metal icon, passed away in July 2025 at the age of 76. The singer, songwriter, and media personality co-founded Black Sabbath in 1968, becoming the band's lead singer and rising to fame in the 1970s. Ozzy was born John Michael Osbourne on December 3, 1948, in Birmingham, England. He got the nickname “Ozzy” as a kid—and it stuck forever. He had dyslexia and was bullied in school. He attempted suicide as a teen and later spoke openly about mental health.