Rocker Ozzy Osbourne has a batty sense of humor. The heavy-Metal showman's pre-concert video drew howls of laughter Tuesday at 'OzzFest' at First Midwest Bank Amphitheatre. No greatest-hits reel for Ozzy; the BLACK SABBATH frontman bedeviled the nouveau famous by inserting himself into a montage of film clips that spoofed "Avatar" to "The Hangover".

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Read more at METAL-TEMPLE.COM 'OzzFest' live report here.