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Scrapped Kaiju
Species                         Nicknames
Mutant Mothra None
Planned Appearance
Godzilla vs. Gigamoth 
Replaced by

Gigamoth (ギガモス,   Gigamosu?) is an unused kaiju from the unmade 1992 Godzilla film, Godzilla vs. Gigamoth.


Godzilla vs. Gigamoth

Gigamoth was the evil twin of a Mothra Larva, whom with it hatched from the same egg. Gigamoth was mutant Mothra that was malformed by radiation. Once it hatched, it fled the contaminated island on the South Seas it hatched on. It is learned that Gigamoth's radioactivity attracts Godzilla, and they start to fight near a Kanto power plant. A woman named Mana teleports inside Gigamoth and takes control of its body. Mana commands Gigamoth to fire an acidic mist, which corrodes everything in the area and burns Godzilla's skin. Gigamoth then webs up Godzilla and pushes him out into the sea. Gigamoth then goes up to the nuclear power plant and encases itself in a cocoon, seemingly trying to obtain energy from the power plant while it transforms. After Gigamoth does this, Mana stops controlling it, right when the Self Defense Force mobilizes a new squad of maser cannons. The masers fire many freezing beams at the cocoon, but the plan fails as Gigamoth comes out of the cocoon in its adult form. However, Gigamoth was not given enough time to complete its metamorphosis, and so its wings have not fully matured, making it unable to fly, and it proceeds to go to Tokyo.

Later, Godzilla faces Gigamoth for the second time in Atami. He fires his atomic breath at Gigamoth, but it doesn't get damaged by the beam, but rather absorbs the nuclear energy, making its wings fully developed. After witnessing the battle, Murakami realizes that Gigamoth must have formed from an extreme exposure to radiation, and believes that he could develop an antibody bacteria that could separate the radiation from the mutant bacteria in the cell structure and neutralize Gigamoth's powers. Mana interrupts Murakami's study and merges Murakami with Mothra, while merging herself with Gigamoth. However, Mothra refuses to respond to any of Murakami's commands and the two un-merge with them. Murakami then finishes the antibody bacteria.

Then, in the Fuji area, Gigamoth lays a few giant eggs of its own. Soon, Godzilla appears, attracted by the Gigamoth's radioactivity, and prepares to fight Gigamoth again. Before they can fight, a fleet of jets appear and unload tens of rockets which contain Murakami's recently finished antibody bacteria at the two kaiju. Godzilla is not affected by the rockets, but Gigamoth is weakened and made very vulnerable by the bacteria. Suddenly, Mothra arrives, in her Imago form and merged with Mana, ready to battle Godzilla. Mothra fires poisonous pollen that paralyzes Godzilla just as Godzilla fires his atomic breath and hits Mothra, sending her to the ground. Mothra and Gigamoth make eye contact, and Mothra goes right into Gigamoth's horn, making her bleed, which dissolves Gigamoth and its eggs. Mana hoped that Mothra contained a bit of mutated bacteria which would create a new creature which would be unaffected by Murakami's antibodies. Her plan works, as the two are covered by a bright light, from which Mothra's true form comes out of.

Mana stops controlling Mothra and appears in front of Murakami for the final time. Murakami uses this opportunity to confess his love for her and asks that she let them both join with Mothra. Mana refuses, but tells him he will meet someone like her soon. Mana then merges with Mothra again and proceeds to cocoon Godzilla. Mothra then grabs the cocoon and dives into the sea, taking Godzilla with her. Shortly afterwards, a search of the ocean is conducted, at which neither monster is found and both are presumed dead.



  • Gigamoth was a prototype for Battra.

Godzilla Film Monsters AnguirusBaby ZillaBaragonBattraBiollanteDestoroyahDoratEbirahFake Godzilla/MechaGodzillaGabaraGiant CondorGiant LizardGiant OctopusGiganGodzillaGodzilla JuniorGodzillasaurusGorosaurusHedorahJet JaguarKamacurasKamoebasKing CaesarKing GhidorahKing KongKumongaKiryuMandaMecha-King GhidorahMegaguirusMegalonMeganulonM.U.T.O.OrgaMinillaM.O.G.U.E.R.A.Monster X/Keizer GhidorahMothraRodan/Fire RodanSpaceGodzillaSuper MechaGodzillaTitanosaurusVaranZilla
Other Toho Monsters MogueraMagumaDogoraGezoraGanimesFrankensteinSandaGairaGiant Sea SerpentMechani-KongMothra LeoDesghidorahRainbow MothraAqua MothraLight Speed MothraArmor MothraEternal MothraGaru-GaruDagahraCretaceous King GhidorahAmano ShiratoriKumasogamiKaishin MubaOrochiUtsuno IkusagamiTitan
Non-Toho Monsters CloverGfantisGuilalaTake-MajinPulgasariRhedosaurusYonggaryCykorObelisk Island BirdBaby GappaGappaKappaDeath KappaHangyolasLarge Antarctic Sea Mammal
King Kong Monsters King KongStegosaurusTwo-Legged LizardTyrannosaurus rexBrontosaurusCave SerpentPteranodonKikoGiant OctopusGiant LizardGodzillaMechani-KongGorosaurusGiant Sea SerpentGiant BoaLady KongBaby Kong
Kadokawa/Daiei Monsters GameraBarugonGyaosVirasGuironJigerZigraLegionIrisTotoZedusUnnamed Tentacled MonsterDaimajinKujira Gami
Godzilla: The Series Monsters Zilla JuniorMutant Giant SquidCrustaceous RexNanotech CreatureEl Gusano GiganteCyber FlyMutant RatCryptoclediusReptilianCracklerGiant Mutant BeeQuetzalcoatlIce BorerNessieRobo-YetiKing CobraGiant Mutant TermitesGiant BatCyber-Zillathe ChameleonGiant LobstersBacillusGiant Mutant Widow SpiderSub-Zero MantaTechno-SentientSilver HydraDNA MimicLizard SlayersGiant Sea AnemoneThe Swamp BeastThe Fire MonsterNorzzug, the Living StatueGiant Mutant HummingbirdMutant Mania MonstersMegapedeTs-eh-Go and the Mutant ScorpionsArmillariathe ShrewsterSkeeteraMutant JellyfishD.R.A.G.M.A.Giant TurtleKomodithraxArea 51 MutationsDeep-DwellerThe Giant CentipedeThe Giant Water BeetleRhinosaurus
Godzilla Power Hour Monsters GodzillaGodzookyFire BirdEarth EaterStone CreatureMegavolt MonstersSeaweed MonsterEnergy BeastColossusCyclops CreatureSiren SistersChimeraMinotaurMagnetic MonsterBreeder BeastGreat WatchukaDiplodocusTime DragonPower DragonGiant SquidGiant FlyAxorGiant OctopusGiant Manta RayCyborg WhaleGiant AntGiant BeeGiant Black WidowGiant BeetleGravity GoliathMagma LizardGolden Guardians
Book Monsters SasoriGiant AntsGopherArmieGeckoGilaChuckRattlerYellowbackDogzillaKat Kong
Comic and Manga Monsters GodzillaKamerusLord Howe MonsterRed RoninStrangerYetrigarHero ZeroBagorahBatragonCentiporGhilaronLepiraxThe Beta-BeastTriaxRhiahnKrollarAll-TerraintulaBurtannusCybersaurGekido-jinRobotic Devil DinosaurInagosSoranTricephalonUnnamed Marvel MonstersSea BaragonFlying EbirahMachine GKing GodzillaBiollante-King Ghidorah HybridUnnamed Irradiated BirdTrilopodMagitaNuclear Reactor DemonDoppelganger Demon

Monsters from Video Games BijiraSuper GodzillaBaganSphectraMister MeringueMechatronThe GlogTarantusBebiraRitoraChibiraTsunoraJuniraChibikuroraDeburaMetal GodzillaBalkzardanBarugaronJyarumuRazinShiiganVagnosaurusMGR-IIndSMG-IIndObsidiusKrystalakThe Sphinx
Television Monsters Zone FighterZone Fighter MonstersGojirinNeo HedorahMedical Jet JaguarFire Fighter Jet JaguarBlack MechaGodzillaSuper Special SpaceGodzilla High Grade Type TwoHyper Mecha-King GhidorahGororin
Unmade Monsters RedmoonErabusHafunWyvernGarasharpMarukobukarappaMoguMajin TuolGaruganBaganDeutaliosGigamothMechaMothraGhost GodzillaBarubaroiGryphonProbe BatDogolasUnused Godzilla: The Series MonstersGiant MosasaurDeathlaLightning BugFire LionThe Visitor


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