Zeus is the principal of Mount Olympus Academy, aside from being king of the gods and ruler of the heavens. He has an electric touch, sometimes zapping his students by it. Athena is his daughter by his first wife Metis. In the eighth book, "Medusa The Mean", Zeus marries Hera.
Zeus is seven feet tall, and has a red beard and red hair. He wears two golden bracelets on his wrists, and a belt with a thunderbolt on it. This can cause students to be afraid of him, but when talking to him like Athena and Hades, they find that he isn't mean.
- He hints in "Persephone The Phony" that Persephone and Hades should go together to the dance.