He-Man is the main antagonist of the Masters of the Universe franchise, as well as the Revelation series, the spiritual sequel to the original 1983-1985 series. As the last Master of the Universe, he continues to fight his archenemy, Skeletor in the fight for Castle Greyskull. With its beginnings in the cartoon series of the 1980s, MOTU has seen the big screen through motion pictures and television series.