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"
He-Man and the Masters of the Universe than actually punching enemies), though he still could not use his sword often; more often than not He-Man opted to pick up his opponents and toss them away rather than hit them. The cartoon was controversial in that it was produced in connection with marketing a line of toys; advertising to children was itself controversial during this period. In the United Kingdom, advertising regulations forbade commercials for He-Man toys to accompany the program itself. In similar fashion to other shows at the time, notably "", an attempt to mitigate the negative publicity generated by this controversy was made by including