Ozzy Osbourne is set to appear alongside impressionist John Culshaw in a new TV advert.
The Black Sabbath legend will feature alongside his look-alike in the commercial for �I Can�t Believe It�s Not Butter�.
Having seen the finished product, Ozzy told Channel 4: "I can't tell the difference between us when I look at the ad. It really freaks me out."
The ad features the two cooking in the kitchen when they can�t decide which is the right butter to use.
It all ends with the Ozzmeister saying: "I'm the Prince of Darkness, I'm doing rock cakes."
Hilarious stuff. Ahem.
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