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Toho Kaiju
Monster Icons - Megalon
GVM - Megalon On the Battlefield
Species Nicknames
Insectoid Seatopian God Megaron,
Height Length
55 meters[1] 80 meters
Weight Forms
40,000 metric tons[1] None
Controlled by Relationships
Allies Enemies
Gigan, DestoroyahGI, BattraGI Godzilla, Jet Jaguar, Rodan, Mothra, MechaGodzilla, M.O.G.U.E.R.A., Mothra Leo, Medical Jet Jaguar, Fire Fighter Jet Jaguar, Ebirah, Kumonga, BattraGHCW, King CaesarGRoE
Created by Portrayed by
Jun Fukuda,
Tomoyuki Tanaka,
Shinichi Sekizawa
Hideto Odachi
First Appearance Latest Appearance
Godzilla vs. Megalon Godzilla Island
More Roars

Megalon (メガロ,   Megaro?) is a giant kaiju created by Toho that first appeared in the 1973 Godzilla film, Godzilla vs. Megalon.


Megalon's name likely comes from the combining form "megalo," which means 'abnormally large' or 'great.'


Megalon superficially resembles a cross between a cockroach and a rhinoceros beetle, though standing upright. Despite being an underground creature, Megalon is noticeably colorful, combining silver and grey tusks and claws with an orange-and-black carapace and wings. Megalon's forelimbs terminate with two sharp, drill-like appendages, which are never seen to be prehensile, always moving in tune with the monster's arms.


Showa Series

Godzilla vs. Megalon

Megalon is the god to the Seatopians, and he was their way to take revenge on the humans who were damaging their world with nuclear tests. They called upon Megalon to destroy the humans and sent the captured Jet Jaguar to guide the monster on his rampage through Japan. The people of Japan revolted and attacked the beast, to no avail. Help arrived when Goro Ibuki, the scientist who created Jet Jaguar, arrived and freed the robot from the control of the Seatopians. He sent Jet Jaguar to Monster Island to find Godzilla. In the time that Jet Jaguar was gone, Megalon was lost and confused. Soon after, Godzilla came to fight the monster, and nearly defeated him. Megalon was sure to be defeated, but the Seatopians contacted the Space Hunter Nebula M aliens to send Gigan. Gigan arrived and helped defeat Godzilla, but Jet Jaguar pulled one of his own tricks. The robot programed itself to grow to the size of Megalon, so he could help Godzilla defeat the monsters. After a troubling fight, Megalon and Gigan were defeated, and Gigan retreated into space. Megalon quickly burrowed underground, and back to Seatopia.

Godzilla Island

Cast megalon

Megalon in Godzilla Island


  • Megalon shoots lightning bolts from his horn.
  • Megalon spits napalm bombs from his mouth.
  • Megalon has drill hands that enable him to burrow under the earth at the speed of mach 2.
  • Megalon can jump high into the air, and travel for up to 10 kilometers at a time using this method.
  • Megalon flies at the speed of Mach 3.
  • Megalon can travel underwater at the speed of Mach 4.

Video Game Appearances

Even though Megalon only appeared in one film, he remains a popular character, and has appeared in several computer and video games based upon the Godzilla franchise, including Godzilla: Destroy All Monsters Melee, Godzilla: Domination, Godzilla: Save the Earth, and Godzilla: Unleashed.

Godzilla: Domination!

In Domination!, Megalon has the power to do a leech probe, in which Megalon grabs on to his opponent and bites them four times, each time hurting the opponent and healing Megalon. This move can only be done if Megalon is next to a enemy. He also has the ability to unleash three blasts of energy from his horn, which will quickly fly around him before slamming into the ground. In the same game, Megalon's napalm bombs are altered to resemble real bombs or naval mines.

Godzilla: Save the Earth

Megalon has the ability to execute an energy punch and create a damaging arc of energy. As a Rage Attack, Megalon can create a Magnetic Vortex, in which Megalon shuffles his wings and all the monsters get drawn close to him. When one is close he releases a mini-pulse of energy, dealing immense damage.

Godzilla: Unleashed


Megalon in Godzilla: Unleashed

Height: 88 meters
Weight: 64,000 tons

"Megalon is a guardian monster of the Seatopians, who live beneath the earth's oceans. Having no special love for human beings, he has once again aligned himself with the alien invaders in hope of eliminating the human population once and for all. Megalon is a very well-rounded combatant, with decent melee, grappling, and ranged capabilities. He has a special affinity for electricity, allowing him to employ lightning and EMP attacks without danger to himself. Megalon's hands are high-speed drills, which allow him to burrow underground or simply gore his opponents in hand-to-hand combat."

Being an alien Megalon has aligned himself with the Vortaak in their quest to take over the world. Like his film and Save the Earth counterparts he has the same abilities with the exception of flight like his film counterpart and his energy punch from Godzilla: Save the Earth.

Godzilla: The Game

Kaiju Guide

Megalon, the Insect Monster

Megalon 0

A descendant of a civilization from the Lemurian continent, which sank to the bottom of the ocean 3 million years ago. Adversely affected by weapons-testing carried out on the Aleutian Islands, the undersea kingdom retaliated by launching a land invasion. Megalon can move at high speeds underground by using its arms, both partitioned drills, in tandem. Its attacks include the spitting of napalm bombs from its mouth and the shooting of anti-beast lasers from the tip of its horns.

Megalon was born as a rival to the TV special-effects giant monster heroes during its day, and was designed as an amalgam of the beetle, the cicada, and other insects that were popular with children at the time. When moving, it makes great leaps like a grasshopper.

55 meters
40,000 tons
Drill arms
Geothermal napalm bombs
Anti-beast lasers
"Godzilla vs. Megalon"


Cinema Shares' Godzilla vs. Megalon Adaptation

Megalon in the promo comic

Megalon in Cinema Shares' Godzilla vs. Megalon comic adaptation

In the American promotional comic produced by Cinema Shares for Godzilla vs. Megalon, Megalon is depicted as not being Seatopian in origin, but rather appearing from beneath the Earth during an undersea eruption, and coming to attack cities to satisfy his "Energy Hunger." He is killed brutally by Godzilla after having the back of his spine bitten into.

Godzilla, King of the Monsters

Megalon returns from underground in this manga, although it is never stated whether he was under the control of the Seatopians or not. He emerges from underground while Godzilla is fighting Biollante Neo and attacks using his drills, ripping into Godzilla's chest. He accidentally kills Biollante Neo with his lightning beam after Godzilla throws her at him, and is defeated when Godzilla swipes the top of his horn off, and burns him to death with his Atomic Breath.

Godzilla: The Half-Century War

Godzilla: Rulers of Earth

Megalon appears in Godzilla: Rulers of Earth issue #9 where he fought the monster, King Caesar in a flash back explaining the monsters origins. Megalon would fall into the Earth's crust with King Caesar when an alien ship crash landed into the ocean near them as they fought. Megalon's image would be later seen in the mural on Infant Island, under the "fire monsters. "


Main article: Gallery:Megalon.


  • Megalon and Godzilla are seen in a magazine in Friday the 13th Part 3.


Like Baragon and Gorosaurus, Megalon's roar is an edited pitch of Varan's roar, whose roar was originally from Godzilla at the end of the original Godzilla film. In addition, Megalon also produces screeching sounds which are adapted from Ebirah's chirps and screeches. Megalon can also emit a deep laugh, created by altering his normal roar.

In Other Languages

  • Russian: Мегалон
  • Chinese: 中央大廳 (Zhōngyāng dàtīng)


  • Megalon might be one of the least intelligent Toho monsters. This is proven by the fact that the creature is easily manipulated by external stimuli. For example, Megalon followed Jet Jaguar simply because he was curious, and he is also very temperamental, as seen when he goes into shock when he loses sight of Jet Jaguar. His battle tactics also seem to be lacking, as he never once utilizes his lightning horn beam against Godzilla nor Jet Jaguar. Additionally, he seems to enjoy charging at both his enemies headfirst, although all said enemies had to do was simply step out of the way to avoid him. Without Gigan by his side, Megalon would probably not have lasted long during the film's climactic last battle.
  • Despite being a monster native to Earth, Megalon is normally associated with other Alien Kaiju because of his association with Gigan, and due to him serving as an antagonist in Godzilla vs. Megalon.
  • Along with Titanosaurus, Megalon is the one of the only monsters introduced in the last four films of the Showa Godzilla series to not appear more than once.
  • In the 2008 Go! Godman film, a Megalon figure can be seen in a pail of sand during a flashback of Mika Ayase's childhood.


This is a list of references for Megalon. These citations are used to identify the reliable sources on which this article is based. These references appear inside articles in the form of superscript numbers, which look like this: [1]

  1. 1.0 1.1 The Official Godzilla Compendium. Profiles of the Monsters; Page 136.


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Start a Discussion Discussions about Megalon

  • zilla jr vs king ghidorah vs megalon

    11 messages
    • I would go like this Zilla is the fastest of the bunch and would be able to dodge Megalons Beams pretty easily but KG's beams are fired all o...
    • Zilla Jr. all the way! Megalon is non factor, KG will die from bad durability.
  • Gorosaurus Vs. Megalon

    10 messages
    • "Gorosaurus is also known for being just as strong or even stronger than Godzilla when it comes to muscle strength." Gorosaurus is, II...
    • Goro takes the cake. if two drop kicks by godzilla, the monster who cant knock down ghidorah are deadly to megalon and gorosaurus, the monster ...

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