Skeletor (Cabeza dura)

Skeletor is the main antagonist of the Masters of the Universe franchise, and is the most dangerous threat on Eternia. His only goal is power, and to that end, he will not rest until he possesses the secrets of Castle Grayskull, which will enable him to become master of the universe. This places him in direct conflict with the only man powerful enough to stop him, He-Man.