KISS frontman Gene Simmons pays tribute to Ozzy Osbourne on "CBS Mornings," calling the Black Sabbath legend a "pure human being."

But no one was more surprised at the success of what became Black Sabbath than Ozzy himself. Ozzy, who died this week at the age of 76, once said the thing he was most proud of was that his band was not the creation of some music mogul.

Ozzy Osbourne, the pioneering heavy metal singer who rose to prominence in the early ‘70s with Black Sabbath before establishing a successful solo career and playing himself on reality TV, died Tuesday. He was 76.

Ozzy Osbourne—the legendary Black Sabbath singer and television personality—has died, according to his family. “It is with more sadness than mere words can convey that we have to report that our beloved Ozzy Osbourne has passed away this morning,