 Ozzy Osbourne (1948-2025) was an iconic British rock musician, dubbed the "Prince of Darkness," famous as the original lead singer for heavy metal pioneers Black Sabbathand later for a successful solo career, known for his eccentric stage presence and distinctive voice, becoming a cultural phenomenon through his music and the reality show The Osbournes. He's credited with helping define heavy metal and remained a beloved, if controversial, in music and pop culture until his death in 2025.