He-Man sharing it only with Orko, Man-At-Arms, Cringer/Battle Cat and the Sorceress. The spin-off cartoon series "" later revealed that Adam had a twin sister: Princess Adora, a leader of the Great Rebellion against Hordak on the planet Etheria. Adora, like Adam, was given the gift of the power of Grayskull and had her own sword which she used to transform into She-Ra, Princess of Power. He-Man made a number of appearances in the "She-Ra: Princess of Power" television series. He-Man's archenemy was Skeletor, a blue-skinned sorcerer with a yellow skull for a head (concealed with a cowl). He was skilled
He-Man some kind of strange spell (not realizing he was about to transform into He-Man). Still holding onto Adam, Skeletor was caught in a backwash of power as the comic proclaimed "Prince Adam is no more. Long Live He-Man!" Therefore, He-Man was responsible for the cybernetic breastplate on Skeletor's figurine. A cartoon series was produced by Jetlag Productions to accompany the toy line, entitled "The New Adventures of He-Man". Although generally following the story line from the mini-comics (with certain deviations, such as Skeletor's already having the cybernetic breastplate and never discovering that Prince Adam and He-Man were the same person),