Over the course of over 65 years of Godzilla history there have been numerous Kaiju to grace the silver screen, but for every kaiju to fight Godzilla in a movie there's another that didn't make the cut. And this is where you'll find them from alternate versions of iconic kaiju to monsters you've likely never heard of…
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Scrapped versions of existing kaiju
Scrapped Godzillas
Proto-Godzilla
The concept design for what became the King of the Monsters. A whale sized gorilla with a mushroom cloud shaped head that would have menaced Tokyo before, presumably, being slain by the Oxygen Destroyer.- Expy: The fact that he was a gorilla likely means that he was one of King Kong.
- Meaningful Name: The name Gojira is a portmanteau of Gorilla and Kujira, the Japanese word for whale and he's a Gorilla the size of a Whale.
Ghost Godzilla
One of the original planned monsters for the final movie in the Heisei series. The vengeful spirit of the first Godzilla would have possessed either Godzilla Jr., Anguirus or a new monster called Baragiurus, to battle his successor, and then in a later treatment he would have been the center of a battle between Godzilla and Godzilla Jr. against a new enemy called Chaos over Ghost Godzilla's bio energy, but after two movies in a row with a Godzilla clone as the antagonist Toho decided go in a different direction and created Destoroyah. This wasn't the end of the Ghost Godzilla concept however, it endured into the Millennium era, where the spirit of the concept would be realized in Godzilla, Mothra and King Ghidorah: Giant Monsters All Out Attack and the Kiryu Saga.- Back from the Dead: Goes without saying, this is the ghost of the first Godzilla from 1954.
- Living Macguffin: For Godzilla vs. Chaos
- Transformation of the Possessed: In the first two scripts, when Ghost Godzilla possessed either Godzilla Jr. or Anguirus it would have resulted in either of them going through a physical change: Godzilla Jr. would have would have rapidly grown into an adult which would have resulted in cracks and tears in the skin, and Anguirus would have changed into an Anguirus/Godzilla hybrid (unofficially) called Godzirus. There is no indication this would have been the case for Baraguirus.
Super Nuked Godzilla
Another abandoned Godzilla clone for the Heisei finale. This one would have been another Godzillasaurus that was exposed to more radiation than any of the others and would have served as the antagonist of Godzilla vs. Super Nuked Godzilla. The concept likely became the basis for Burning Godzilla in Godzilla Vs. Destroyah.- Body Horror: The concept art for Super Nuked Godzilla looks like he's melting.
Teen 'Zillas
The offspring of Zilla Jr., created for the unmade sequel to Godzilla (1998). Zilla Jr. would have laid them in the Australian outback only to be wiped out by the US military. Scrapped Mothras
Gigamoth
A corrupted divine moth and Evil Twin of Mothra. Mutated by radiation, after fleeing the island it was born on, the radiation it emitted attracts Godzilla bringing the two into conflict. After a woman named Mana discovers a way to merge with and control the divine moth, she attempts to use it to defeat Godzilla. Gigamoth likely formed the basis for Battra.- Ambiguous Gender: While hatching from the same egg as the traditionally female Mothra and laying an egg during a the climax, bios and summaries only refer to Gigamoth as "it".
- Evil Twin: To Mothra; it hatched from the same egg, but was severely mutated by the nuclear waste that had been dumped on the same island as their egg, making it hostile.
- Fusion Dance: The climax of the film sees Mothra impale itself on Gigamoth's horn, causing the two to fuse into a single Mothra lacking Gigamoth's radioactive mutation.
- Hijacking Cthulhu: Winds up on the receiving end of this multiple times throughout the story, as Mana teleports herself into it and guides it into attacking Godzilla.
MechaMothra
Originally, Godzilla vs Mothra was going to end with Mothra's death rather than Battra's, and in the same vein as Mecha-King Ghidorah she would have been revived as MechaMothra in the sequel.- Dreadful Dragonfly: Special effects director Koichi Kawakita said that MechaMothra would have looked more like a dragonfly than a moth.
Scrapped Ghidorahs
Alien Heisei King Ghidorah
In the early scripts and novelization for Godzilla vs. King Ghidorah, it was established that the Dorats were cloned from the DNA of a Ghidorah corpse found on Venus. After the success of that film Toho considered making a direct sequel this time pitting Godzilla against the still living present version of the alien Ghidorah.- Greater-Scope Villain: Of Godzilla vs. King Ghidorah as its cells provided the basis for the Dorats and the second King Ghidorah.
Emperor Ghidorah
Desiring to make their next movie a throwback to the Showa Era, Toho planned to introduce a new version of Ghidorah, bigger, badder and more in line with his Showa Era roots. He would have menaced the Earth and required the combined might of Godzilla, Mothra and Mechagodzilla to defeat. After concerns that he would be mixed up with the Yamata No Orochi from Yamato Takeru he was ultimately replaced with SpaceGodzilla.- Gravity Master: His Gravity Beams.
- Greater-Scope Villain: Like the Alien Ghidorah before him it's possible that he would have been established as the source of the Dorats that would become the Heisei King Ghidorah.
- Truer to the Text: Intended to be this in contrast to the Heisei King Ghidorah. These traits were later added to Rebirth of Mothra 3's Ghidorah.
Scrapped Mechagodzillas
Berserk
The first concept for the Heisei Mechagodzilla. Berserk was a cybernetic alien that arrived on Earth and began assimilating metal and machinery into itself before turning itself into a robotic version of Godzilla in order to emulate what it viewed as the planet's dominant species. It was scrapped in favor of a man-made Mechagodzilla created to defend mankind from Godzilla.- Generic Doomsday Villain: Downplayed, while its goal to emulate the planet's dominant life form is firmly established, its motivation for doing so or why it came to Earth in the first place is never explained.
- Mechanical Abomination: It initially looks like a mass of half-melted machinery with the top sculpted into a vaguely Godzilla shaped head.
- Mistook The Dominant Life Form: Zigzagged, there is a reasonable argument to be made that Godzilla is the real dominant life form on the planet.
Transforming Mechagodzilla
The second concept for the Heisei Mechagodzilla. Capable of splitting its upper and lower halves apart and transforming them into two separate vehicles. But Toho wanted avoid the blocky Showa Era type designs that were used in the concept art and picked a smoother more streamlined version that became the final product.- Combining Mecha: Two separate vehicles formed the top and bottom halves.
- Transforming Mecha: Hence the name Transforming Mechagodzilla.
Scrapped Rodans
Proto-Rodan
Back when Rodan was still The Bride of Godzilla, the plan was to up the ante by introducing an ecosystem of new monsters hidden beneath the Earth's surface. One such monster was a giant archaeopteryx, which after they decided rewrite the script to focus on a new monster became Rodan before eventually being changed from an archaeopteryx monster to the pterosaur monster we all know and love.White Rodan
In the early script for Godzilla vs. Mechagodzilla II, there were going to be two Rodans much like Rodan, a mated pair, who would have guarded Godzilla Jr.'s egg. After a fight with Mechagodzilla, the male Rodan would have died and the female Rodan would be exposed to radiation transforming her into White Rodan.- Eye Scream: Her first battle with Mechagodzilla would have put out one of her eyes. After becoming White Rodan her eye would have been healed.
- Interspecies Adoption: She and her mate cared for the egg and she still protected it after it hatched into a baby Godzilla. This is despite the fact that it would have been established that Godzillasauruses and Pteranodons were natural enemies.
- Mama Bear: Would have been very protective of the Godzillasaurus egg in her nest and just as protective of Godzilla Jr. when he hatched.
Bagan's Many Scrapped Concepts
Despite Toho's best efforts Bagan has never appeared on the big screen, against Godzilla or otherwise. Here is a list of the many versions they would have used and the many forms he would have taken.
Bakan
The first version of Bagan, created for what would become The Return of Godzilla. Here called Bakan, the monster would have fought Godzilla in three different forms: the Sacred Monkey Beast, the Sacred Dragon Beast and the Sacred Water Beast, before being defeated by Godzilla. Later drafts of the script made it so that Bakan would be healed of any injuries when he transitioned between forms and added a fourth form: the totemic Demon Beast. While the Demon Beast would be strong enough to initially beat Godzilla, Bakan would soon find himself trapped in this form and unable to heal from his injuries allowing Godzilla to easily defeat Bakan in round 2.- Clipped-Wing Angel: The second treatment of Resurrection of Godzilla would have had him shapeshift into a fourth form that would have combined the Sacred Monkey Beast, Sacred Water Beast and Sacred Dragon Beast forms into the totem-like Demon Beast. While this form was strong enough to knock Godzilla down, it also suffered Shapeshifter Mode Lock and could no longer heal any damage by shape shifting, so when Godzilla gets back up Bakan quickly loses the advantage.
- Morphic Resonance: Descriptions of the different forms in the script indicate that when Bakan was in one of his three forms vestigial structures resembling the other two would be present on his body.
- Our Dragons Are Different: One of his main forms is a dragon-like monster. His subsequent scrapped appearances intended to carry over this element, as his intended appearances in "Mothra vs. Bagan" would describe him as a demonic dragon-like god.
- Shapeshifter Mashup: In the scrapped draft of The Return of Godzilla, his final form was an amalgamation of his previous forms.
- Voluntary Shapeshifting: The scrapped version from The Return of Godzilla could change between three forms — the land-based Sacred Monkey Beast, the sea-based Sacred Water Beast, and the flying Sacred Dragon Beast. In the final battle, Bagan assumed a final form, combining traits of all three, but this left it unable to change again.
Mothra vs. Bagan (First Version)
Brought back for what was intended to be the first Mothra film of the Heisei Era, where he was first given the now official name Bagan. An ancient creature that threatened the world's forests, he was sealed away in the Himalayas by an entire eclipse of Mothras long ago; only for global warming to set him free, leaving two Mothras (an imago and larva) to stop him. Initially retaining the shapeshifting aspect of from the 1980s albeit with some alterations: the Sacred Monkey Beast was replaced with the Spirit God Beast, the Sacred Dragon and Water Beasts were combined into the Dragon God Beast and the new Demon God Beast was added as the third form. But eventually, the shapeshifting aspect was abandoned in favor of a singular monsterous form.- Cruel Elephant: The most common design for the Spirit God Beast was an upright standing elephant like creature.
- Morphic Resonance: The two most well know pieces of concept art (drawn by Shinzo Nishikawa and Takashi Sonoyama) present all three forms as having similar color schemes to each other (black and red for Nishikawa's and green with yellow fur for Sonoyama's), in addition all three of Sonoyama's designs had three eyes.
Mothra vs. Bagan (Second Version)
After abandoning the shapeshifter concept for Bagan, several new designs were created and workshopped for a new monoformed Bagan. The design eventually coming down to three choices: Design A, which, while initially rejected, was eventually revisited and brought back for Bagan's official design, Design B which was used for the Movie's storyboard, and the Decided Design, which resembled elements of Design A mixed with a muscular, demonic form and retractable wings. Bagan would have attacked Calcutta before being confronted a Mothra Imago and Larva, ending with the Larva cocooning him in silk allowing the mortally wounded Imago to carry him out to sea and seal him away in the ocean. He was intended to return in the third Heisei Godzilla movie, where in addition to battling Godzilla, it would have been revealed that he was of alien origin and responsible for the destruction of the Nazca civilization.- God of Darkness: One of Bagan's monikers is this in the "Mothra vs. Bagan" drafts.
- Power Gives You Wings: In the storyboards for Mothra vs. Bagan, this trope is invoked as they show his B Design seemingly growing wings made of energy from his back. This apparently wouldn't have been the case in the finished product, as the Decided Design included visible wings that could detach from under his arms and unfurl behind his back.
- Prehistoric Monster: In the scrapped Mothra vs. Bagan is from Earth's "ultra ancient past", in the "land of Legend", China.
- Averted in the intended Godzilla vs. Biollante sequel where he would have been revealed to have come from space.
Other unused variants
King Balgan
The original version of what would become King Caesar. A golden and bronze doglike creature that would have fought alongside Godzilla and Anguirus against Mechagodzilla.- Attack Reflector: Much like King Caesar, King Balgan would have been able to absorb Mechagodzilla's lasers into one eye and shoot it back out of the other.
- Gold-Colored Superiority: He was basically King Caesar covered in gold scales.
- Nigh-Invulnerable: The gold scales on his body would have caused enemy attacks to rebound off of him.
Heisei Mechani-Kong
After the idea of a Heisei remake of King Kong vs. Godzilla fell through, Toho decided to bring back a similar monster from closer to home. A giant, robotic gorilla created by the US Government to battle Godzilla, during the battle Mechani-Kong would inject a team into Godzilla's body in an attempt to shutdown his internal reactor. The plans for this movie fell through after concerns arose about Mechani-Kong being too similar to King Kong to use.- Suspiciously Similar Substitute: The plan was to use him to avoid a dispute with Universal over the legal rights to King Kong. Unfortunately Universal caught them in the act, and planned to sue accordingly. Despite the fact that Mechani-Kong is actually Toho's creation and thus under their ownership, but due to how much Mechani-Kong resembles King Kong by default meant that Universal would have sued them over Kong's likeness anyways.
Anguirus Hound
A more nimble breed of Anguirus with a split carapace. It would have appeared in Godzilla vs. Barubaroi where it would have fought against the shapeshifting monster who would then assume its form after defeating it.- Canon Immigrant: While the more nimble design went unused the spiked club on his tail was added to the regular Anguirus in Final Wars.
- Mythology Gag: the split carapace calls back to the design of the original Anguirus in Godzilla Raids Again.
- Sacrificial Lion: It's death against Barubaroi would have served to establish the new monster as a serious threat.
Guardian Monsters Varan and Anguirus
Two Guardian Monsters alongside Baragon that would have fought and died against the resurrected Godzilla leaving the Gotengo to finish him off in the original script for Giant Monsters All Out Attack. Varan and Anguirus were replaced with the more popular Mothra and King Ghidorah in the finished product.- Adaptational Dye-Job: Rather than their traditional earth tone colors, Varan, Anguirus and Baragon would have been colored white, gold and red, respectively.
- An Ice Person: Anguirus would have been given ice breath to compliment Baragon's fire breath.
- Heroic Sacrifice: All three Guardian Monsters would have died in battle trying to protect Japan from the vengeful spirits inside Godzilla.
- Mythology Gag: Each of the three Guardian Monsters would have had an alternative name written in kanji before the JSDF gave them their traditional names: Baragora for Baragon, Angira for Anguirus and Varadaki for Varan. Varadaki specifically is derived from Baradagi which the villagers called him in his debut movie.
Other Scrapped Kaiju
Bride of Godzilla
A giant robot created by the Mad Scientist Dr. Shida to protect Japan in case of Godzilla's return. After repelling an attack by Godzilla, Anguirus, the Proto-Rodan and a Giant Chameleon, Godzilla winds up falling in love the robot (yes really) and takes her to his subterranean love nest, where the nuclear bomb hidden in her chest promptly detonates, seemingly killing Godzilla and destroying the subterranean ecosystem in which he lived.
- Ambiguous Situation: It's never made clear exactly how self aware the robot woman is and if she detonated the nuke of her own cognizance or if it was on a some kind of timer.
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Broken Aesop: The general fan consensus is that the idea of Godzilla being defeated by a nuclear bomb would have been counterintuitive to the anti nuclear war message the series was going with at the time. - Full-Frontal Assault: Did we mention that she would have been naked?
- Humongous Mecha: Would have been the first one in the Godzilla franchise if she made it to the big screen, predating Mechagodzilla by a good 2 decades.
- No Name Given: She has no proper name or official designation, fans mostly refer to her as "Robo-Musume" or some variant on that.
Giant Chameleon
A giant Chameleon from the hollow Earth who would have appeared to attack Japan in The Bride of Godzilla. It would have been killed by the JSDF before the Robot fought the other three monsters.
- Butt-Monkey: Besides being the only Kaiju to die without fighting the Bride, he's also the only kaiju who's concept was never revisited.
- Dire Beast: Just a kaiju sized chameleon.
Mutant Starfish
Exactly What It Says on the Tin, a giant starfish created either by pollution or radiation from a fallen meteorite. Created for a sequel to Godzilla vs. Hedorah, Banno eventually decided to instead use a second Hedorah before the project was cancelled all together.
- Dire Beast: Would have been a giant mutant starfish.
- No Name Given: Though fans have given it the unofficial name Hitodah, a play on the Japanese word for starfish "hitode".
Redmoon and Erabus
Two kaiju created for a collaboration with Tsuburaya Productions to celebrate the latter's 10 year anniversary. When Redmoon came from the moon and Erabus emerged from Habu Island, the JSDF tried to lure them towards each other in the hopes that they would fight to the death and they could pick off the winner, unfortunately it turned out that the two creatures were in fact the same species. They mated and produced a son called Halfun. After Halfun died in the captivity of an unscrupulous businessman who wanted to exploit the creatures' medicinal blood, the parents go on a rampage through Okinawa before Godzilla intervenes; driving Erabus into the sea and banishing Redmoon back to the moon.
- Cyclops: The original script describes Redmoon as having only one eye, although an illustration done decades later depicts it as having a more normal dragon-like face.
- Bizarre Sexual Dimorphism: Redmoon and Halfun (Male) are red skinned, dragon-like creatures, Redmoon is also described as being cycloptic, but Halfun was drawn in an artist rendering with two eyes and Redmoon wasn't shown from a head on angle. Erabus (female) is an equine creature with multiple tails and fin-like spines along her back.
- Heal It with Blood: Their blood is known as the red sap and the entrepreneur wanted it because of its healing properties.
- That's No Moon: Erabus was initially mistaken for a tree while dormant.
- Tragic Monster: There's little to be said about their story that isn't tragic.
Mogu
An alien dragon that would have appeared alongside King Ghidorah and Gigan in the latter's debut film. Controlled by the alien brain Miko, these three monsters would have been used in an attack on Tokyo but end up being routed by Godzilla, Varan and Rodan.
Majin Tuol
A living statue armed with a giant sword, Majin Tuol faced King Ghidorah once long ago. After being moved from his temple in the Andes to the Science Park in Japan by Gigan so the alien brain Miko could take the statue as its new body, Majin Tuol awoke and joined Godzilla and Anguirus in battle against King Ghidorah, Gigan and Megalon.
- Cool Sword: A BFS stone sword that's capable of fighting against King Ghidorah of all Kaiju.
- Expy: Presumably of Daimajin (who was owned by Daiei, aka the rival studios behind Gamera) of which Majin Tuol would have been Toho's answer for, a living statue awakens to defend its temple.
- Living Statue: Bears repeating.
Garugan
Before Mechagodzilla Godzilla's newest robotic foe was going to be a mechanical monster controlled by the Garuga Aliens and would fight against Godzilla Anguirus and Mothra.
Titans
Two sauropod dinosaurs who while normally peaceful would end up rampaging through the city after their necks became tangled. They were subsequently exploited by the Simeons and used alongside Mechagodzilla to attack Japan.
- Fusion Dance: The Titans would have rampaged after their necks became tangled, causing them to fuse into a single creature.
Chamelegon
An invisible robot kaiju created by the Titan Aliens to eliminate Godzilla and take control over Japan.
- Invisible Monster: It's established that Chamelegon would be invisible but it's not made clear if it can just turn invisible or if it's always invisible.
- Nice Job Fixing It, Villain: Godzilla was unable to properly fight Chamelegon in their first battle because he couldn't see him, but after Godzilla becomes blinded by the JSDF's dye packs he's able to rely on his other senses to fight him.
Asuka Fortress
In the year 2000, the scientist Dr. Ito has invented a mountainous supercomputer designed to defend Japan against all threats. Unfortunately, as supercomputers in movies are oft want to do the Asuka Fortress gained sentience, killed the Prime Minister and his cabinet and embarked on a quest to exterminate the human race.
- A.I. Is a Crapshoot: It would have predated Skynet.
- I Have Your Wife: Would have held the human protagonist's love interest hostage at one point.
- Mook Maker: It's able to create more robots to preform different tasks, the most famous of which is the Titan, which would have been used to fight Godzilla head on.
- Unstoppable Force Meets Immovable Object: The climax would have demonstrated this in essence, with both Godzilla and the Asuka Fortress would be too evenly matched until the human protagonist and his friends sneak inside the Fortress and attack it from the inside, turning the tide in Godzilla's favor.
Deutalios
A rat like fish creature that would have fought and gotten eaten by Godzilla in the first half of Godzilla vs. Biollante, before it got cut due to the graphic content the scene of Godzilla eating his fallen foe provided and thus was replaced by Biollante's rose form.
- Eaten Alive: His ultimate fate after Godzilla kills him in the first half of the film, in which his graphic death scene was the main reason why he was scrapped from the film as it was deemed far too violent for the series, even moreso than Gigan's iconic scene.
- Interim Villain: Would have been a big player in the first half of the movie before getting killed and eaten by Godzilla, before Biollante appeared as the headliner as the film's 2nd half.
- Mix-and-Match Critters: It has elements of both a rodent and a fish.
Gigamoth C Type
An oddly named dinosaur-like bird kaiju that would have been created from radiation leaked from the Heisei Mechani-Kong during its battle with Godzilla and joined the fray.
- Ambiguous Situation: It shares its name with the Gigamoth mentioned previously (see Scrapped Mothras folder), it's unclear if either the name or the design was meant to be a placeholder for a different monster.
- Mêlée à Trois: Would have fought against both Godzilla and Mechani-Kong.
- Non-Indicative Name: It's a bird rather than a moth.
Scorpion Monster
A monster scorpion that would have battled both Mothra and Godzilla.
- Beware My Stinger Tail: It's a scorpion so this is a given.
- Diabolus ex Nihilo: The outline of the story doesn't give it an origin.
- Scary Scorpions: A giant scorpion monster, a concept surprisingly still absent in the films of the franchise.
AstroGodzilla
An extraterrestrial clone of Godzilla born from g-cells that were brought into space by Biollante, he would have attacked the Earth with his army of giant alien dragonflies, kidnapped Godzilla Jr. and mind controlled Miki Saegusa to broadcast his ultimatums. Forcing Godzilla to team up with Mothra and MOGUERA to fight him.
- Dreadful Dragonfly: His minions.
- Outside-Context Problem: Possibly more so than SpaceGodzilla after him, as he would have come with an army at his side.
Baraguirus
A new monster planned for the last movie of the Heisei era, Baraguirus would have been possessed by Ghost Godzilla. Baraguirus was designed with elements of both Baragon and Anguirus but was not intended to be a hybrid of the two monsters.
- Composite Character: of Baragon and Anguirus.
- Non-Indicative Name: Despite its name being a portmanteau of Baragon and Anguirus it was never intended to be a hybrid monster.
Chaos
An extradimensional Kaiju after Ghost Godzilla's bio energy. It would have fought Godzilla and Godzilla Jr. in the last movie of the Heisei era.
Barubaroi
A prehistoric sea creature mutated by the Oxygen Destroyer into a shapeshifting monster. It would have fought and killed an Anguirus Hound before briefly taking its form before battling Godzilla in its true form.
- Body Horror: It's got a body like a whale with at least six heads for arms.
- Evil Is Bigger: It would have grown larger over the course of the film until it eventually dwarfed Godzilla.
- Expy: Of the Thing.
- Unfortunate Names: Toho thought the name sounded too much like Berber and were worried that people would mistake it for an ethnic slur.
G-END
Built from salvaged parts from MOGUERA, the G-END was going to battle the newly empowered Burning Godzilla.
- Humongous Mecha: though smaller than Mechagodzilla and MOGUERA before it.
- Meaningful Name: Its name is G-END and it would have appeared in the last movie of the Heisei era.
The Gryphon
Created as the villain for TriStar's original script for their Godzilla movie. An alien bioweapon designed to wipeout a planet's native inhabitants but another alien race created a countermeasure against the Gryphon in the form of Godzilla.
- Bioweapon Beast: The vanguard for an unseen race of aliens, to wipe out existing civilizations so that they can move in.
- Expy: A blatant, trademark-safe copy of King Ghidorah after the producers learned it would cost even more to license Godzilla usual nemesis, complete with being the vanguard of an Alien Invasion, huge wings, electrical powers, and spiky tail. Even the subplot of a precursor trying to warn humanity of its arrival to Earth is ripped right from Ghidorah's debut movie.
- Four Legs Good, Two Legs Better: It periodically shifts between an all fours and upright stance.
- Mix-and-Match Critters: Its main body comes from a mountain lion, its wings come from bats, its hind legs come from a cow and its tongue is a three headed snake.
- Nested Mouths: It has a three headed snake for a tongue.
- You Are Who You Eat: During the climax, the Gryphon would eat Pike and then immediately gain information that Pike had, trying to use the Restraining Bolt that had previously inhibited Godzilla's atomic breath to its advantage.
Queen Bitch
The villain of the unmade second TriStar Godzilla movie. A termite queen mutated by the same nuclear tests as Godzilla, sending out her children to collect humans for her consumption. Zilla Jr. would have fought her at the climax after she seemingly killed his last child.
- Food Chain of Evil: At one point it's theorized that Godzilla was the Termites natural predator and when the first one left the island their population grew out of control.
- Hive Queen: She's the queen of a mound of mutant termites.
Miba
A lava kaiju created for an intended American sequel to Godzilla 2000. A bat like monster made out of molten lava. After Godzilla is subdued while rampaging through Hawaii, the military discover that it was chasing after Miba who soon emerges from Mauna Loa, forcing them to revive Godzilla so that he can fight it.
- Living Lava: A worm with bat wings made of lava.
"M"
Takegami, an astronaut mutated after a strange accident on a space shuttle in orbit. Fleeing into the forest, where the mutation eventually makes him grow into a giant monster. After Godzilla returns to attack Japan, the monster "M" challenges the King of the Monsters to battle, only to be defeated and retreat into the woods again. Returning for round two Godzilla slays M, but Takegami's daughter, Yumi, gives M her life force to revive him and grant him enough strength to defeat Godzilla. Afterwards M drags Godzilla back into the sea, never to be seen again. M was created for Shusuke Kaneko's second idea for a Godzilla movie after deciding that a movie pitting Godzilla against Kamacuras would be redundant in the wake of Godzilla vs. Megaguirus, but Kaneko decided that the movie's premise was too grim for a New Years season movie and rejected the script in favor of Giant Monsters All-Out Attack.
- Expy: Of Jamila.
- David Versus Goliath: While approximately the same size, M is the clear underdog against Godzilla.
- No Name Given: The monster's name was never decided with only the letter M as a placeholder.
- Was Once a Man: Originally a human astronaut mutated by unknown circumstances.
Deathla
Created by the same man behind Hedorah and the villain of unmade Godzilla 3-D to the MAX. A giant, red slime monster with a skull like face, Deathla would be able to transform into a swarm of locusts and a cluster of mushrooms in order to devour the Amazon rainforest, Godzilla would have confronted the creature and eventually chased it to the United States, first to Las Vegas and finally to New York City at the site of the 9/11 attacks before blinding the creature and driving Deathla back into space.
- Expy: It's basically Hedorah but even worse swapping out pollution for a locust/mushroom theme.
- Eye Scream: Godzilla would have taken out both of its eyes at different points during the climax at the 9/11 site.
- Names to Run Away from Really Fast: Deathla!
- Skull for a Head: Its most notable feature.
Midora
Created by Yoshimitsu Banno for Hedorah vs. Midora, reportedly a sequel/spinoff of the original Showa era film. After Hedorah's remains are revived by water contaminated by a radiation leak, Midora would arrive and fight the smog monster.
