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 (2002 TV series) ones involved, or somebody else entirely. The secret origins of Evil-Lyn, Skeletor, Snake Mountain, and the power of Castle Grayskull itself, were also revealed. To coincide with the release of the series, a He-Man comic was created by MV Creations. Three separate series were released between 2002–2004: two mini-series, a short-lived ongoing series and a handful of one-shots were published. Some of these were collected into trade paperback graphic novels. The tone and maturity of the comic was slightly different from the cartoon, as the writers hoped to appeal to the older demographic purchasing the comic. The comic ultimately came