Johnny Depp paid tribute to the late Ozzy Osbourne with a surprise appearance at Alice Cooper's concert at London's O2 Arena.  The actor-musician joined Cooper for a cover of Black Sabbath's 1970 hit 'Paranoid',

Legendary Rocker, 77, Said Ozzy Osbourne Wasn't in 'Great Shape' Days Before He Died originally appeared on Parade. Legendary rocker Alice Cooper noted that Ozzy Osbourne wasn't in the best shape before he died at the age of 76.

Pioneering heavy metal musician Ozzy Osbourne, who has died at age 76, made a lot of headlines with his visits to Green Bay in the 1980s.

Analysis: He'll be remembered differently by several different generations, and that's almost the definition of a pop cultural icon.