He-Man in black magic and all forms of combat. He was also shown to be extremely cunning and intelligent. Though his origin was mysterious, and the cartoon described him only as a "demon from another dimension", a tie-in comic implied that Skeletor's true identity was Prince Keldor (the older brother of King Randor), thus making him He-Man's uncle. It was revealed in the animated motion picture "He-Man and She-Ra: The Secret of the Sword" that Skeletor was Hordak's right-hand man until his capture (Hordak referred to Skeletor as "my old pupil" and Skeletor's throne-room in Snake Mountain as "my old throne-room"
The New Adventures of He-Man The New Adventures of He-Man The New Adventures of He-Man is an American-Canadian animated series which ran in syndication in the fall of 1990 while Mattel released the toy line He-Man, an update of their Masters of the Universe line. The cartoon series was intended to be a continuation of Filmation's "He-Man and the Masters of the Universe" series. Filmation had gone defunct a year earlier and this series was meant to add more episodes to He-Man and the Masters of the Universe, which itself was in syndication at the time. This would mark the final entry in the original