Masters of the Universe

Masters of the Universe began in 1982 as an American fantasy action figure and media franchise, created by Mattel. Prince Adam transforms into He-Man to defend Eternia and Castle Grayskull from Skeletor and other enemies, supported by a broad cast of heroic and villainous warriors. Figureloop's Masters of the Universe index separates collectible editions by character, manufacturer, product line, and release.