Black Sabbath icon Ozzy Osbourne was "whacked in the gut" by his jealousy of the band's replacement after the singer was kicked out of the group in 1979

For all his musical accomplishments, what I'll remember most about Ozzy Osbourne is how he truly was authentic. In a recent radio interview, an Osbourne friend said Jack once asked his dad if it bothered him when people made fun of him, how he talked.