back in the years of the 50s, there were two types of creatures that Ruled the Earth. humans and Kaiju, The two had been at peace until…...he was awakened by the first atomic bomb(as in the first atomic bomb test in New Mexico.) The peace was Disturbed as Humanity had made with The atomic bomb it symbolized death itself. By the end of World War II, the world was shaken by atomic energy. Godzilla was not very pleased. He tried to show that Nuclear weaponry was bad For the environment by attacking Tokyo in 1952 twice. And then another time in 1954. By that time A Young Doctor's Searzalla had developed the Oxygen Destroyer, and planned to use it on Godzilla. but, it would kill him in the process. As he detonated the oxygen Destroyer it seemed to hurt Godzilla but As he was dying he saw him swimming away and died but then by the hands of fate his soul was so important to the world he was given a second chance. he was embodied into the thing that he wanted to use to destroy Godzilla. the oxygen Destroyer itself.
From then on the canister in-Bodied by the doctor that would destroy all Kaiju Humanity would rule the world alone. As that happened Godzilla swung the way to tell the other Kaiju about what happened. they were scared that they would face the same fate, And they might not survive. After that, they cornered themselves off on Monster Island hoping and wishing to never see another human ever. A decade later A three-headed dragon landed on the island at first you suspected to be something that humans had sent. but after confirming he was from Planet X and that he was named there was Ghidorah, the three-headed monster of destruction. He was deemed the king. giving him the name King Ghidorah. After The coronation of King Ghidorah Godzilla became jealous that Ghidorah who was very new to the island's residence was chosen as king. Instead of himself,He became Bitter and Rodan tried to even be like a brother. After a couple of years of King Ghidorah being in Rain he created something called The Royal Kaiju Force. Which would if any humans arrived bring them to the king to be destroyed as he would want to explore and destroy the Earth With enough human Souls at grasp. the people recruited into the guard were. Godzilla, Megalon As the Royal scientist, Gigan, Kucamonga and Titanosaurus and a “scientists in Training''. Soon after Megalon was deemed the Royal scientist, Mothra the protectorate of humans arrived on the island.