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"
Mr. Hero the Newmatic Man a farmer, who later sold him to a magician. The magician trained Mr. Hero to box and used him as a prop in his act. Using Mr. Hero's second head (the "Ratiocinator"), Mr. Hero would give advice to the audience. Then, his less rational but more physically able head would be fitted to his body and he would engage in Queensbury Rules boxing with a member of the audience. During the boxing, a member of the audience would be challenged to knock out Mr. Hero, while he would not attack. However, at one event he mysteriously lost control of his