As the lead singer of Black Sabbath, he helped invent heavy metal. On “The Osbournes,” he presented a comedic counterpoint to his rock ’n’ roll infamy.

The Osbournes' Changed Ozzy's Image From Grisly to Cuddly, and Changed Reality TV LOS ANGELES (AP) — There was Ozzy before “The Osbournes” and Ozzy after “The Osbournes.” For much of his life, the Black Sabbath founder and legendary heavy metal frontman who died at 76 on Tuesday was known to much of the public as a dark purveyor of deeds ranging from decadent to downright Satanic.