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By Bersarker Part of the Avengers: The Earth's Mightiest Heroes continuity.

Kaiju are the name of group of ancient animals that gone extinct when the era of Kaiju was ended.


Kaiju are the creatures that are the longest ruler of Earth. They're ruled the world during the 25 million years to 74000 years ago. When the super-continent was break into four continents that see in the modern time. Most of the Kaiju go extinct. But some of them that thought to be extinct retreated deep into the underworld that known as Subterranea. But some survivors that still lived on the surface passed era of Raava to era of the Avatar.

Species of Kaiju


  • Badgermoles, Dragons, Flying Bisons and Lion turtles are the survivors of the mass extinction.
  • Tiktaalik are survivors that are the ancestors of humans.

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