Following Metallica's Lars Ulrich and Judas Priest singer Rob Halford. But being that the Black Sabbath frontman is considered a founding father of the genre -- Ulrich and Halford both put Sabbath albums on their lists -- his opinions may carry just a little more weight.
Ozzy Osbourne's Top 10 Metal Albums of All Time:
AC/DC, Highway To Hell (1979)
Alice in Chains, Facelift (1990)
Guns N’ Roses, Appetite For Destruction (1987)
Judas Priest, British Steel (1980)
Led Zeppelin, Led Zeppelin IV (1971)
Megadeth, Rust In Peace (1990)
Metallica, Master Of Puppets (1986)
Motörhead, Ace Of Spades (1980)
Pantera, Cowboys From Hell (1990)
Rob Zombie, Hellbilly Deluxe (1999)
Story source: Rolling Stone