Radon Fire, known in Japanese as 火のラドン, is a fictional kaiju (giant monster) in the Godzilla (Gojira) franchise. Often called 'Rodan' in English adaptations, Radon is a massive, prehistoric pterosaur-like creature with the ability to fly at supersonic speeds and unleash devastating shockwaves. In the series, Radon Fire is both an adversary and ally to Godzilla, playing a crucial role in battles against other kaiju and protecting the natural balance of the world.