Zen Oh, known as the Omni-King, is a major character in Dragon Ball Super. He is the supreme ruler of all the multiverses, possessing absolute authority and the power to erase entire universes effortlessly. Despite his childlike appearance and demeanor, Zen Oh is both feared and respected by gods, angels, and mortals alike. His actions and decisions significantly impact the story, especially during the Tournament of Power, where he observes and judges the fate of entire universes.