Ozzy Osbourne died of a heart attack and had coronary artery disease in addition to suffering from Parkinson’s disease for years, his death certificate said.

Ozzy Osbourne, the heavy metal and reality television star, died of a heart attack and had suffered from coronary artery disease and Parkinson’s, according to a death certificate filed at a registry in London.

A fter roughly two weeks, metal legend Ozzy Osbourne's death still has fans reeling in its wake. The Prince of Darkness enjoyed a truly remarkable career, defining and redefining heavy metal at every turn throughout his nearly 60-year tenure, both as a solo artist, reality TV star, and frontman of pioneering metal band Black Sabbath.