Ozzy Osbourne, the iconic frontman of Black Sabbath, has died in the UK at the age of 76. News of his passing has prompted an outpouring of tributes from bandmates and fans worldwide. Osbourne was a pivotal figure in the development of heavy metal, known for his distinctive vocals and stage presence. Black Sabbath's groundbreaking sound and dark lyrical themes influenced generations of musicians. His death marks the end of an era for heavy metal and rock music.