Hallowen Sekeletor Masters of the Universe costume cild 8 to 10

Skeletor is the iconic main antagonist of Mattel's Masters of the Universe franchise. Best known as the ultimate nemesis of He-Man, he is a muscular blue humanoid with a bare, yellow floating skull for a face shrouded in a purple hood. He rules the dark hemisphere of Eternia from his stronghold, Snake Mountain, obsessed with conquering Castle Grayskull to steal its magic and rule the universe.