As the frontman of Black Sabbath, Ozzy Osbourne, who has died aged 76, did not only help invent heavy metal, said The Daily Telegraph , he also pioneered its outrageous lifestyle: "preposterous theatrics", rumours of satanism and shocking excesses.

"I'm something of a madman," Osbourne said. "If it's booze, I drink the place dry. If drugs, I take everything and scrape the carpet for little crumbs." He bit the head off a dead bat during a concert in 1982; he snorted a line of ants while partying with Mötley Crüe; and he was banned from performing in Texas, for urinating on the Alamo Cenotaph while wearing a dress (his wife Sharon had hidden his clothes to stop him going out, so he had borrowed hers). He was serially unfaithful to Sharon: he slept with his children's nannies; on tour in

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