Zeus

Zeus is the name of the king of the Olympian gods in Ancient Greek mythology — the sky deity, wielder of thunder and lightning, ruler of Mount Olympus. His name likely derives from Proto-Indo-European dyeus meaning "sky" or "heaven." As a pet name, Zeus is a choice of deliberate grandeur: naming your companion after the most powerful figure in the ancient world.

Zeus holds the #55 spot among US pet names, with nearly 1,500 companions sharing it. The name is popular among owners of larger, more powerful companions — animals whose size or bearing seems to call for something appropriately epic. But Zeus is also used with playful irony for small animals, which creates a delightful contrast between the name's enormous mythology and the creature carrying it. Either way, the name announces itself loudly and always gets a reaction.