King Ghidora

First Ghidora

This three-headed space demon has destroyed many ancient space civilizations. He undergoes a metamorphasis to travel through the void of space, he turns into pure energy and is surrounded by a protective magnetic casing. In this form King Ghidora comes to earth. Eventually, he is driven off by the combined forces of Godzilla, Rodan, and Mothra. After that, he is used by the X Aliens, Space Hunter Nebular M Aliens, and the Kilaaks. he is finally killed in a battle against ten earth monsters. He is Godzilla's deadliest foe and the universe's most evil creature.

Second Ghidora

In Godzilla VS. King Ghidora, people from the future come to rid the earth of Godzilla by not letting the Godzillasaurus mutate. They try to take it off the Lagos Island, where Godzilla mutated into Godzilla and dump it in the Bering Sea, but he mutates there. On the island, they leave three Dorats behind, and they mutate into King Ghidora. Eventually, Godzilla drives him into the sea, almost destroying him. Then, 200 years later, people from the future revive Ghidora, and make him into Mecha-King Ghidora.