Megalon

Megalon is a giant cockroach-like monster who guards Seatopia.

Biography
Megalon was a gigantic monster who was the god of the Seatopians, a race of water-dwelling humans. Seatopia was plagued by nuclear testing from the surface world, and enraged, sent Megalon to destroy them. The Seatopians also stole a robot called Jet Jaguar from his owner Goro Ibuki. Jet Jaguar directed Megalon to the cities he would detsroy. Fortunately, Jet Jaguar was brought under the control of Goro and was sent to fetch Godzilla to stop Megalon. Jet Jaguar returned and became as big as Megalon. Jet Jaguar and Megalon battled each other, and Jet Jaguar gained the upper hand. Seeing that Megalon was losing, the Seatopians asked the Nebula M aliens to send Gigan to aid Megalon. The Nebulans complied and Gigan flew to Earth. Megalon appeared to be startled when Gigan arrived, but Gigan appeared to tell Megalon he was there to help. Seeing he was outnumbered, Jet Jaguar tried to fly away, but Megalon shot Jet Jaguar to the ground. Megalon and Gigan then proceeded to pummel Jet Jaguar, punching him to the other who would punch him back. Jet Jaguar crashed to the ground. Megalon and Gigan continued to beat Jet Jaguar and nearly destroyed him when Godzilla arrived. Godzilla beat Megalon and Gigan to the ground with a tree. Megalon shot a napalm bomb at Godizlla but Jet Jaguar threw it away. Godzilla fought Megalon while Jet Jaguar fought Gigan. Megalon was left cowering on the ground, and Godzilla turned his back to help Jet Jaguar against Gigan, but Gigan flew away and he and Megalon fired at Godzilla and Jet Jaguar, creating a ring of fire. It seemed all hope was lost when Jet Jaguar flew Godzilla out of the fire. Megalon was shot by Godizlla's atomic breath. Gigan flew away, and Megalon was beaten down until he escaped back to Seatopia.