Alan Oppenheimer Signed Skeletor 11x14 Photo Masters Of The Universe BAS 21443 This is an 11x14 photo that was personally autographed by the voice of Skeletor, Alan Oppenheimer. Oppenheimer is recognized as the voice of many characters, often for Filmation in the 1970s and 1980s, such as Overlord on "BlackStar", Skeletor, Man-At-Arms and Mer-Man from Filmation's 1980's cartoon He-Man and the Masters of the Universe. Other notable voice roles include Falkor, Gmork, Rockbiter, and the Narrator from 1984's The NeverEnding Story. Skeletor is a fictional character and the main antagonist of the Masters of the Universe franchise created by Mattel. He is the archenemy of He-Man. This item includes a certificate of authenticity from Beckett and Denver Autographs.