Hordak is a fictional character in the Masters of the Universe franchise. Long before King Hiss and the ruthless Snake Men, formed a thread to Eternia, the Evil Horde was there. An army of pure evil and ruthless warriors, with the goal to destroy the light. Their leader, the terrible Hordak, is the most powerful of the evil beings in Etheria (Eternia's sister planet).
Hordak killed King Grayskull and was the former mentor of Skeletor. He now operates as the evil ruler of Etheria and is the main villain in the show She-Ra: Princess of Power.