Skeletor is a fictional character and the primary
antagonist of the
Masters of the Universe franchise created by
Mattel. He is the archenemy of
He-Man. Depicted as a muscular blue humanoid with a purple hood over his yellowing bare-bone skull, Skeletor seeks to conquer
Castle Grayskull so he can obtain its ancient secrets, which would make him unstoppable and enable him to conquer and rule Eternia but his incompetent henchmen's stupidity always gets in the way.