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Kadokawa Kaiju
Unknown or No Trademark
Species Nicknames
Vampire Bat-like Creature Gaos, Shadow of Evil
Height Wingspan
60 metersGvGy-GSM
10 metersGGU, GTB
85 meters (Super)
88 meters (Hyper)
100 metersGvGy-GSM
15 metersGGU, GTB
185 meters (Super)
190 meters (Hyper)
Weight Forms
60 tonsGvGy-GSM
20 tonsGGU, GTB
75 tons (Super)
78 tons (Hyper)
Super Gyaos
Hyper Gyaos
Neo Gyaos
Space Gyaos
Controlled by Relationships
None Atlanteans (Creators)HEI,
Numerous offspring,
Allies Enemies
None Gamera, Guiron
Created by Portrayed by
Masao Yagi Yuumi KaneyamaGGU
First Appearance Latest Appearance
Gamera vs. Gyaos Gamera: The Brave
ShodaiGyao, HeiseiGyao, IrisuGyao, AvantGyao 
Space Gyaos
More Roars

Gyaos (ギャオス,   Gyaosu?) is a bat-like kaiju created by Daiei that first appeared in the 1967 Gamera film, Gamera vs. Gyaos.


Gyaos resembles a giant pterosaur or bat creature, with a flattened, arrow shaped head, leathery wings with three claws on each, taloned feet and a flat tail. It is reddish brown in both incarnations. The Gyaos in Gamera: Guardian of the Universe had a more streamlined appearance, with larger wings and a longer neck, as well as red eyes after its evolution in Tokyo.


Showa Series

Gamera vs. Gyaos


Gyaos in Gamera vs. Gyaos

In Gamera vs. Gyaos, Gyaos appeared in Japan from a large cavern, and feasted on blood, principally that of livestock and humans. Soon, Gamera confronted Gyaos, and after a battle, Gyaos was forced to flee, and Gamera was forced into the ocean to recover. It is soon learned that light causes Gyaos' skin to shrink, so the light of the city stadium of Nagoya kept Gyaos at bay. Gamera soon returned to finish Gyaos off and, after a battle in the air, Gyaos cut off his own foot to escape from the sun.

The protagonists developed a plan to place artificial blood on a rooftop in Nagoya. The plan was to keep Gyaos drinking the blood for so long that the sun would come up and kill him. But Gyaos proved more cunning than originally thought and used a strange fog attack to protect himself from the sun. The next plan was to lure Gamera to Gyaos' lair in the forest by setting the forest alight. Gyaos used his fog attack to put out the flames, but Gamera arrived and eventually defeated Gyaos by throwing the beast into a volcano.

Gamera vs. Guiron

Gamera - 5 - vs Guiron - 17 - Guiron Cuts Space Gyaos' OTHER Wing

Space Gyaos in Gamera vs. Guiron

A silver Space Gyaos (宇宙ギャオス,   Uchū Gyaosu?) appeared briefly in Gamera vs. Guiron, as a victim of Guiron. A swarm of Space Gyaos had attacked the planet Terra, an undiscovered planet in our solar system, being kept at bay only by the Terrans' guardian monster, Guiron. A Space Gyaos arrived near Guiron and tries to attack, but Guiron cuts off his wings and then cuts off his head and body. After Gamera had killed Guiron, the planet was seemingly abandoned to the Gyaos.

Gamera: Super Monster

Stock footage of Gyaos was later featured in the Showa series recap Gamera: Super Monster along with the other Showa era Gamera kaiju.

Heisei Series

Gamera: Guardian of the Universe

Super Gyaos

Super Gyaos in Gamera: Guardian of the Universe

In 1995, Gyaos was revived with Gamera for the first Heisei era Gamera film, Gamera: Guardian of the Universe, which follows a story similar to the one above. In this film, the Gyaos were creations of the ancient civilization of Atlantis, designed as weapons. However, the asexual Gyaos reproduced out of control and destroyed their creators. As a last ditch defense, the Atlanteans created Gamera, who eliminated the Gyaos, although not in time to save his creators. However, clutches of Gyaos eggs survived, and one clutch hatched in the modern world. After killing and eating all the inhabitants of Himigami Island and attacking the mainland, the Gyaos were lured to a domed stadium in Tokyo. Gamera, sensing his ancient foe, awoke as well and made his way to Tokyo. Gamera attempted to stop the Gyaos, killing two, but was hindered by the misguided military, who considered him to be the greater threat. Eventually Gamera killed the last Gyaos, which had nested in Tokyo and had grown to the same size of Gamera after a long and vicious battle. This new Super Gyaos (スーパーギャオス,   Sūpā Gyaosu?) would also appear in flashback scenes in Gamera 3: Awakening of Irys, and would eventually be revealed as the real killer of Ayana's parents.

Gamera 2: Advent of Legion

The Gyaos do not appear in Gamera 2 physically, but they are mentioned and are the subject of a book in the film.

Gamera 3: Awakening of Irys

Hyper Gyaos

Hyper Gyaos in Gamera 3: Revenge of Irys

The Gyaos returned in a new, evolved form known as the Hyper Gyaos (ギャオス・ハイパー,   Gyaosu ・ Haipā?, lit. Gyaos Hyper) in Gamera 3: Awakening of Irys, after Gamera's Ultimate Plasma attack, used to destroy Legion in Gamera 2: Advent of Legion, drained the Earth's energy, creating the right conditions for more Gyaos to hatch in different locations throughout the world, such as the Philippines. Early in the film, Gamera battles a pair of Hyper Gyaos in the Shibuya district of Tokyo, killing them but also killing and injuring thousands of people. After Gamera defeated Irys in Kyoto, thousands of Gyaos swarmed towards Japan, intent on killing Gamera once and for all, but ultimately fail.

Gamera: The Brave


Gyaos in Gamera: The Brave

The Gyaos also appeared in Gamera: The Brave, called Original Gyaos (オリジナルギャオス,   Orijinaru Gyaosu?), where a flock attacked a small village, only to be stopped by Gamera, who sacrificed himself to destroy the flock. Supplementary materials for the film reveal that Zedus was later mutated from eating the corpses of Gyaos.


Video Game Appearances


Gamera 2006: Hard Link

Gyaos attack Gamera in Gamera 2006 Hard Link

The Gyaos attack Gamera in Gamera 2006: Hard Link

In the spin-off manga to Gamera: The Brave, Gamera's battle against the Gyaos in 1973 is gone more into detail with in the "Special Link" chapter.

Gamera is being attacked by 4 Gyaos' laser beams. Gamera kills a first Gyaos with a point-blank fire blast and then stomps on its head. The 3 Gyaos keep firing at Gamera, but Gamera gets in his shell and charges up a fire blast which he fires at one of the Gyaos. Another Gyaos comes in and bites Gamera's arm, and Gamera throws it to the ground and fires at it, killing it. The 2 remaining Gyaos hover about, and Gamera fires another fire blast at one of them. From the smoke the Gyaos flies toward Gamera and unleashes a flurry of beams. Gamera punches it to the ground. However, the Gyaos continues its onslaught of beams just as the other Gyaos turned out to have survived and flies over to Gamera. Gamera begins spurting blood, and the two Gyaos feast on Gamera's entrails. Gamera, acknowledging he's been defeated, triggers his Fireball Ejection Suicide, killing both him and both Gyaos.


In both incarnations the Gyaos have been shown to be astonishingly capable flyers, able to fly incredibly fast and perform agile aerial maneuvers with ease. Also, both Showa and Heisei versions have been able to spit an amazingly precise beam from its mouth, which is actually created by the Gyaos' supersonic scream, apparently able to resonate at 3 million hertz and slice objects into halves. Although they are nocturnal, the Gyaos can overcome the sun by emitting a fog-like gas to obscure the sun and douse flames, while the Heisei version simply hyper-evolved itself to gain protective lenses over its eyes.

Interestingly, the Space Gyaos in Gamera vs. Guiron seems to have no such aversion to sunlight: logical, given that it would be impossible for a space creature to avoid sun and star light. The Showa version also has a regenerative ability, as it was able to regrow its severed foot after only an hour. The Heisei version showed several evolutions: it was asexual and could reproduce on its own. While not shown to be regenerative, the Super Gyaos is immensely physically tough, able to easily shrug off missile attacks, and even survive orbital re-entry.

The source of Gyao's Sonic Beam is through the use of a specially, forked-shaped throat. However, the downside was that it left Gyaos unable to turn it's head sideways. It was able to move it's upwards and downwards. Albeit, this trait was only seen the Showa series.The Heisei versions were able to move their heads as normal.


Main article: Gyaos/Gallery.



  • The production team of the Heisei Gamera trilogy decided on Gyaos as an opponent, as they believed that Gyaos was Gamera's most famous foe, having appeared in at least three of the Showa Gamera films. Originally, this role was set for Barugon (at least for one of the films) as shown within the manga adaption.
  • Gyaos is the only enemy monster in the Gamera Series to appear in more than one film not counting stock footage.
  • Gyaos' roar was later altered for the The Return of Ultraman kaiju, Earthtron.
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