List of unmade monsters

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This is a list of known monsters from unproduced media projects (film, television, literature, etc.) and abandoned concepts from completed ones, all organized in alphabetical order. The list is meant to be comprehensive but, given the unfortunately obscure subject matter, it may be incomplete.

A

• Aeschylus (early draft for The Man from V3 from Ultraseven, later evolved into Alien Iyros)
• Afro King (unused robot antagonist for Super Robot Red Baron)
• Albino Pit Beasts (King Kong 2005)
• Alien-created Godzilla (Godzilla: God's Angry Messenger, 1979)
• Allosaurus (early 1997 version of Peter Jackson's King Kong)
• Angira / Anguirus (Guardian of Yamato version, Godzilla X Varan, Baragon and Anguirus: Giant Monsters All-Out Attack, 2001)
• Anguirus Hound (Godzilla vs. Barubaroi)
• Ankylosaurus (early 1997 version of Peter Jackson's King Kong)
• Ankyron (Godzilla vs. Ankyron)
• Anti-Godzilla (Godzilla vs Anti-Godzilla, unpublished Dark Horse Comics story-line 1996)
• Aquatic Human Piniya (unused character / creature suit re-worked into Alien Perolynga for Ultraseven episode 45, The Boy Who Cried Flying Saucer 1968)
• Arkitius (Giant Squid Monster Arkitius)
• Arsinoitherium (King Kong 1933 and King Kong 2005)
• AstroGodzilla (Godzilla vs. AstroGodzilla)
• Asuka Fortress (Godzilla vs. Asuka Fortress)
• Aurora Godzilla (form of Ghost Godzilla, Godzilla vs. Godzilla)
• Awful Winged Thing (Tremors: Lost Monsters, television series, 1995)
• Axolotl Monsters (early 1997 version of Peter Jackson's King Kong)

B

• Bagan / Bakan / Doragon Reijuu / Enjin Reijuu / Mizu Reijuu (Resurrection of Godzilla)
• Bagan (second version; Mothra vs. Bagan, Godzilla 3, Godzilla vs. Bagan, and Yamato Takeru II)
• Baluchitherium (The Legend of King Kong)
• Baraguirus (Godzilla vs. Godzilla)
• Barubaroi/Barbaroi (Godzilla vs. Barubaroi)
• Bat Creatures / Bat-Things (early 1997 version of Peter Jackson's King Kong)
• Bat Ears Brady (unused concept from Pacific Rim, 2013)
• Bemular (Scientific Special Search Party: Bemular, 1966 television series)
• Berserk (Godzilla vs. Berserk)
• Bigfoot the Yeti (Tremors: Lost Monsters, television series, 1995)
• Big Liger (unused concept for Redman)
• Biollante Monster Island Mutation (unused concept from a scrapped Godzilla: Rulers of Earth storyline)
• Biomonster (Godzilla vs. Biomonster)
• Bionic Kong (Bionic Kong (1976-1977)^{[citation needed]}
• Birdy (Monster League, also known as Oldzilla, 2015)
• Blastaffs (Superman: Flyby, 2002)
• Brain Man (Inhumanoids television series and toyline)
• Brontosaurus (The Dinosaur Day Will Come! an unused Ultraman 80 script)
• Bubble-like Monster (early precursor to Orga, Godzilla 2000: Millennium)
• Bubble Creatures (The Bubbles)

C

• Canal Creature (Sinbad Goes To Mars, also known as Sinbad's Voyage To Mars, 1977-1979)
• Carnivorous Pit Plant (unused concept from King Kong 1933)
• Carnotaurus (early 1997 version of Peter Jackson's King Kong)
• Cave Fishers (unused concept from Kong: Skull Island)
• Cavern-Dwelling Centipedes (early 1997 version of Peter Jackson's King Kong)
• Cavern-Dwelling Crab (early 1997 version of Peter Jackson's King Kong)
• Cavern-Dwelling Mantises (early 1997 version of Peter Jackson's King Kong)
• Cavern-Dwelling Spider (early 1997 version of Peter Jackson's King Kong)
• Censeredon (King Kong 2005)
• Centipede Creature (The Legend of King Kong)
• Chamelegon (S.O.S. Japan! Godzilla's Suicide Strategy, 1976)
• Clapton (Oil SOS, an unused Ultra Q script)
• Colossus Deado (unused concept from RIPD, 2013)
• CrystalGodzilla / Neo SpaceGodzilla (Godzilla vs. NeoGodzilla)
• Cthulhu (IDW Comics' proposed but rejected crossover Godzilla vs Cthulhu)
• Cyborg King Kong (Godzilla vs. King Kong)

D

• Deathla (Godzilla 3-D)
• Debara / Deborah (I Like Monsters More Than My Teacher! an unused Ultraman 80 script)
• Deep Sea Life (Godzilla vs. Deep Sea Life)
• Deutalios (Godzilla vs. Biollante original draft)
• Devil (Inhumanoids television series and toyline)
• Devil-Manta (Devil-Manta)
• Dimorphodontid Pterosaurs (King Kong 2005)
• Dinocanisaurus (King Kong 2005)
• 'Dinosaur-like Rock Space Beast' (unused concept for Ultraman Nexus)
• Drageeau (What is Kamaitachi? an unused Ultraman 80 script)
• Dragon-Hydra from Space (unused Dark Horse Comics monster based off of King Ghidorah)
• Drax (Ultraman: The Jupiter Effect)
• Daizinryu (robot warrior mode, Gosei Sentai Dairanger, 1993-1994)

E

• Eastern Godzilla (untitled 20th anniversary Godzilla film)
• Elamosaurus (early 1997 version of Peter Jackson's King Kong)
• Emperor Ghidorah (from Godzilla vs. Emperor Ghidorah)
• Etcetera (They Came From Hollywood, unreleased / unfinished 2008 PC game)
• Elementals (The Elementals, 1952-1953)
• Erabus (Godzilla vs. Redmoon)
• Evala (Evala, The Land Mine Daikaiju, 2014)
• Evil Gamera (Gamera 3: Revenge of Iris )
• Eye of Poseidon, the (A Mouthful of Misfortune, 2006)

F

• 52-Foot Woman, the (They Came From Hollywood, unreleased / unfinished 2008 PC game)
• Female Godzilla (from the second late 1970's attempt of Bride of Godzilla?)
• Female Godzilla (unused monster from Godzilla: The Series, replaced by Komodithrax)
• Fire Creatures (Fire From Above, 2006, supposedly re-worked into the titular beast of 2007's Fire Serpent)
• Fire Lion (Godzilla: Unleashed)
• Flint (unused concept from Pacific Rim, 2013)
• Flying Queen Ant (Gi-Ants, 2007)

G

• G-END (unused Anti-G mech from Godzilla vs. Destoroyah
• Gaira / Namagon / Nature Goddess (Gamera 3D)
• Gamoni (A Space Godzilla film)
• GaoMammoth (Hyakujuu Sentai Gaoranger, 2001-2002)
• GaoScorpion (Hyakujuu Sentai Gaoranger, 2001-2002)
• Garasharp (Gamera vs. Garasharp)
  • Garasharp Babies
• Garuda (full-robot bird version, Godzilla vs. Mechagodzilla II early draft)
• Garugan (Giant Monsters Converge on Okinawa! Showdown in Zanpamisaki)
• Gejira (Jewellers, Yoshimitsu Banno, 1972-2010)
• Genetic Octopodular Ooze / G.O.O (G.O.O. - Genetic Octopodular Ooze, 1971)
• Genetically Mutated Bugs (Really Big Bugs, 1997)
• Ghose Commander / Giant Alien Ghose (unused concept for Ultra Seven episode 48, The Greatest Invasion in History Part 1, 1968)
• Ghost Godzilla (Godzilla vs. Godzilla)
• Ghostly Whale (The Ghostly Whale That Came from the Sea to Attack Tokyo, pre-Godzilla concept by Eiji Tsuburaya)
• Giant Alien Dragonfly (Godzilla vs. AstroGodzilla)
• Giant Amphibian (The Legend of King Kong)
• Giant Amphibious Sea Serpent (Unused concept from Kong: Skull Island)
• Giant Ankylosaurus (The Volcano Monsters)
• Giant Ant (They Came From Hollywood, unreleased / unfinished 2008 PC game)
• Giant Archaeopteryx (Bride of Godzilla?)
• Giant Armadillo (When the Earth Cracked Open, late 1970s)
• Giant Beetle (When the Earth Cracked Open, late 1970s)
• Giant Blood-Sucking Flea (Bride of Godzilla?)
• Giant Bumblebee (unused concept from Mysterious Island, 1961 , re-worked into The Giant Bees)
• Giant Chameleon (Bride of Godzilla?)
• Giant Clams (Two Godzillas: Japan S.O.S.!)
• Giant Door Spider (early 1997 version of Peter Jackson's King Kong)
• Giant Eyeball (They Came From Hollywood, unreleased / unfinished 2008 PC game)
• Giant Frankenstein's Monster / Prometheus (King Kong vs. Frankenstein / King Kong vs. Prometheus)
• Giant Iguana (Reigon: Devil of the Seabed)
• Giant Komodo Dragons (unused concept from King Kong 1933)
• 'Giant Monkey' (unused concept from Kong: Skull Island)
• Giant Mutant Cockroaches (War of the Insect Gods, 1978-1979)
• Giant Octopus (The Giant Monster from 20,000 Miles Under the Sea, pre-Godzilla concept by Eiji Tsuburaya)
• Giant Octopus (unused concept from Mysterious Island, 1961, re-worked into The Nautiloid Cephalopod)
• Giant Oyster (unused concept from Mysterious Island, 1961, re-worked into The Nautiloid Cephalopod)
• Giant Pea (They Came From Hollywood, unreleased / unfinished 2008 PC game)
• Giant Plant (They Came From Hollywood, unreleased / unfinished 2008 PC game)
• Giant Poisonous Bee (deleted scene from Genocide: War of the Insects)
• Giant Rhinoceros (abandon concept from Land of the Giants episode 19, Seven Little Indians)
• 'Giant River Cobra' (unused concept from Kong: Skull Island)
• 'Giant Robotic Zombie' (Rebellions, Toei Company 2011)
• Giant Salamander (abandoned concept from Yamato Takeru)
• Giant Satyr (The Satyr, 1950s)
• Giant Scorpion (Continuation: King Kong vs. Godzilla)
• Giant Sea Snails (Snails, 1979)
• Giant Semi-Prehistoric Mole Creature (unused concept from Mysterious Island, 1961)
• Giant Sloth (When the Earth Cracked Open, late 1970s)
• Giant Soldier Ants (When the Earth Cracked Open, late 1970s)
• Giant Spider (They Came From Hollywood, unreleased / unfinished 2008 PC game)
• Giant Squid (unused concept from Warlords Of Atlantis, re-worked into The Sentinel)
• Giant Stag Beetle (When the Earth Cracked Open, late 1970s)
• Giant Terminator T-800 (Dark Horse Comics' proposed but rejected crossover Godzilla vs Terminator)
• Giant Toad (When the Earth Cracked Open, late 1970s)
• Giant Tyrannosaurus Rex (The Volcano Monsters)
• Giant Vulture (The Legend of King Kong)
• Gigamoth (Micro Super Battle: Godzilla vs. Gigamoth and Godzilla vs. Gigamoth)
• Gigant (Giant Monster Gigant)
• Gigantophis Garstini (deleted / lost scene from King Kong 1933)
• Gob, the (They Came From Hollywood, unreleased / unfinished 2008 PC game)
• Godzilla Clone (early draft of the unmade film Godzilla Reborn)
• Godzilla Clone (unused concept from a scrapped Godzilla: Rulers of Earth storyline)
• Godzilla Dorsal Plate / Blood Creatures (unused concept / deleted scene from Shin Godzilla)
• Godzirus (Godzilla vs. Godzilla)
• Gonjas (Take Life Back an unused Ultraman 80 script)
• Grand Tyrant (Ultraman Mebius and the Ultra Brothers 2, 2007-2008)
• Graygas (unused concept for Redman)
• Gridman Sigma / Takeshi Todo (untitled Denkou Choujin Gridman sequel series)
• Gryphon (Godzilla 1994)

H

• Haartz (The Grid, 1982)
• Hafun (Godzilla vs. Redmoon)
• Half-Mummy-Half-Frankenstein Monster (Sinbad Goes To Mars, also known as Sinbad's Voyage To Mars, 1977-1979)
• Hammerhead (unused concept from Pacific Rim, 2013)
• Harry the Skeleton Warrior (They Came From Hollywood, unreleased / unfinished 2008 PC game)
• Himalayan Snow Ape (West of Kashmir: A Sherlock Holmes Adventure, 1989)
• Hira-Jin (Godzilla Vs. The Mysterians)
• Horned Toads (Umbah, 19?)
• Huge Snake Creature (unused concept from Mysterious Island, 1961)
• Hyouman / Leopard Man (Hyouman also known as Leopard Man, unsold 1967 television pilot)

I

• Icarose (Monster League, also known as Oldzilla, 2015)
• Icarus Tigris / Tiger Creature (unused concept from Kong: Skull Island)
• Ice Giant (Gamera The Giant Monster vs. The Ice Men From Outer Space)
• Iguanodon (The Dinosaur Day Will Come! an unused Ultraman 80 script)

J

• Jaguarman (Jaguarman, unsold 1967 television pilot)
• Jupiter Beast (The Jupiter Beast, also known as The Jupiter Project; 1937-1949)
• Juvenile Godzilla (seen only as a carcass / corpse, Godzilla: King of the Monsters 3-D)

K

• Kacchū-Ningen / Armor Human (Vengence of 300 Years, unrealized script for Ultraseven - character reworked into Alien Borg)
• Kali (Kali: Devil Bride of Dracula, also known as Dracula and the Blood Lust of Kali, Hammer Films, 1974)
• Khimaera (Wonder Woman, Joss Whedon script, 2006)
• King Barugan (early prototype version of King Caesar)
• King Ghidorah (second alien individual, from The Return of King Ghidorah and an early version of Godzilla vs. SpaceGodzilla)
• King Saurus (Monster League, also known as Oldzilla, 2015)
• King Toad (unused concept from Pacific Rim, 2013)
• Killmeleon (Killmeleon, 2008)
• Killer Toaster Ovens, the (Tremors: Lost Monsters, television series, 1995)
• Kongorilla (Kongorilla, 1977-1978)
• Kunin (A Space Godzilla film)

L

• Labyrinthodons (Last of the Labyrinthodons)
• Laminacollosaurus (King Kong 2005)
• Las Vegas Monster (The Las Vegas Monster, 1957)
• Light Boy (Godzilla: Legend of The Asuka Fortress)
• Lightning Bug (Godzilla: Unleashed)
• Lilin (A Space Godzilla film)
• Liopleurodon (Godzilla: Tokyo S.O.S. early draft)
• Living Apartment Building (Apartment Living, George A. Romero 1987)
• Loch Ness Monster (Breakout of the Loch Ness Monster, 1963)

M

• Majin Tuol (Godzilla vs. the Space Monsters: Earth Defense Directive)
• Man-Eating Martian Plant (Sinbad Goes To Mars, also known as Sinbad's Voyage To Mars, 1977-1979)
• Martian Mothership (They Came From Hollywood, unreleased / unfinished 2008 PC game)
• Martian Sphinx (Sinbad Goes To Mars, also known as Sinbad's Voyage To Mars, 1977-1979)
• Marukobukarappa (unused concept from Gamera vs Viras and later Gamera vs. Garasharp)
• Maser-King Ghidorah (unused concept from Godzilla vs. Mechagodzilla II)
• 'Massive Venus Flytrap' (unused concept from Kong: Skull Island)
• Matador Fury (unused concept from Pacific Rim, 2013)
• Meat-Eating Plant (Resurrection of Godzilla)
• Mechagodzilla (rebuilt / second version; planned for Godzilla vs. SpaceGodzilla)
• MechaMothra (Godzilla vs. MechaMothra)
• Mechanical Female Godzilla (from William Dozier's treatment for Batman Meets Godzilla)
• Megalon Brothers (Godzilla vs. The Megalon Brothers: The Undersea Kingdom's Annihilation Strategy)
• Megalodon (Extinct, 1997)
• Mesosaurus (unused concept from Mysterious Island, 1961)
• Miba (Godzilla Reborn)
• Midora (Hedorah 2, also known as Hedorah vs Midora, 2014-2017))
• Miko (Godzilla vs. the Space Monsters: Earth Defense Directive)
• Mining Machine (unused concept from Mysterious Island, 1961)
• Miracle Boy (Godzilla: Legend of The Asuka Fortress)
• Miss Petfarkin (Monster League, also known as Oldzilla, 2015)
• Mogu (The Return of King Ghidorah)
• Moguera (abandoned living creature version, The Mysterians)
• Momonra (Giant Monster Momonra)
• Monga (abandoned concept from Gamera vs. Guiron, replaced by Space Gyaos)
• 'Monster #1' (unused concept from Pacific Rim)
• Monster Jellyfish (Sinbad Goes To Mars, also known as Sinbad's Voyage To Mars, 1977-1979)
• Monster Island Fauna (GODZILLA 2)
• Monster Zoo Menagerie (abandoned precursors to the Trilopods)
• Monstrosaurus (Monstrosaurus, Brett Piper, 1982)
• 'Monstrous Forest Growth' (Godzilla and the Lost Continent)
• Monstrous Moths (Sinbad Goes To Mars, also known as Sinbad's Voyage To Mars, 1977-1979)
• Monstrous Plants (early creature concepts for The X from Outer Space)
• Mosquito Probes (Monsters vs Aliens, 2009 unmade version)
• 'Mothra Surrogate' (unused Dark Horse Comics monster based on Mothra, later reworked into Inagos)
• Mutated Animal Hybrids (Godzilla vs. The Mysterians)
• Mutated Blue Whale (GODZILLA 2)
• Mutated Humans (Godzilla vs. Biollante abandoned / unused concept)
• Mutant Starfish (Godzilla vs. The Mutant Starfish)

N

• Neo Kahn Digifer (untitled Denkou Choujin Gridman sequel series)
• Napoleon / Mysterious Robot Monster (Ultraman: Giant Strategy, also known as Ultraman: Operation Giant, 1966-1967 film )
• New Godzilla (abandoned / altered concept from Godzilla vs. Destoroyah)
• Newtrino the Atomic Newt (They Came From Hollywood, unreleased / unfinished 2008 PC game)
• Nessie (Nessie)
• Nesugon (The Birth of Monster Nesugon)
• Nezura (Giant Horde Beast Nezura)
• Nezurabat
• Night Crawler's Riding Creature (Inhumanoids television series and toyline)
• Notzilla (Notzilla, the Duke of Monsters)

O

• 'Omniscient Octopoid Eye' (The Eye In Space, unused script / serial for Doctor Who, 1967)
• Oso Si-Papu (The Last of the Oso Si-Papu)

P

• Pandaran (Toho Monster TV Film Project: Zone The Meteor Man)
• Parasaurolophus (The Legend of King Kong)
• Phoenix (Gamera vs. Phoenix, 1993-1994, script was re-purposed as a published novel)
• Pinnotono (King Kong 2005)
• Pit Lizard (deleted / lost scene from King Kong 1933)
• Pit Scorpions (The Legend of King Kong)
• Pit Spider (deleted / lost scene from King Kong 1933)
• 'Plant-Plumage Birds' (Unused concept from Kong: Skull Island)
• 'Plant Space Beast' (unused concept for Ultraman Nexus)
• Predatory Bird of Skull Island (King Kong 2005)
• Probe Bat (Godzilla 1994)
• Pteranodons (Godzilla vs. Mechagodzilla II early draft)
• Pterodactyl (Godzilla 2014)
• Pterodactyls (Zeppelin v Pterodactyls, Hammer Films 1971)

Q

• Queen Bitch (GODZILLA 2)

R

• Radioactive Slime Creature (original / abandoned concept for The Giant Behemoth)
• Raijin (Godzilla and the Lost Continent)
• Red Alone (early prototype version of Jet Jaguar)
• Red Godzilla (Godzilla's Counterattack)
• Redman (Special Search Party Redman, 1966 television series)
• Redmoon (Godzilla vs. Redmoon)
• Reigon (Reigon: Devil of the Seabed)
• 'Reptilian Eel' (The Legend of King Kong)
• 'Roach Space Beast' (unused concept for Ultraman Nexus)
• ROBOM (unused precursor to UF-0 from episode 11 of Ultraman: Towards the Future, The Survivalists)
• Robot Army (Godzilla 2, also known as Godzilla vs. The Robot Army)
• Robot Daughter (Bride of Godzilla?)
• Robot Female Godzilla (from the late 1970's attempt at Bride of Godzilla?)
• 'Robotic Zombies' (Rebellions, Toei Company 2011)
• Rock-like Flying Alien Birds (A Space Godzilla film)
• Rokmutul (Godzilla 2014)
• Rozan (A Space Godzilla film)
• Runt (GODZILLA 2)
• Russom's Giant Robots (Ray Harryhausen's version of R.U.R. (Rossum’s Universal Robots), 1945-1947)

S

• Salamander (Godzilla: Legend of The Asuka Fortress)
• Sand Crab (When the Earth Cracked Open, late 1970s)
• Sasori Monster (Godzilla vs. Mothra early draft)
• Sea Monster (Godzilla Vs. The Mysterians)
• Sea Serpent (Bride of Godzilla?)
• Sea Spider (Kongula, Ape Giant of Terro, 2005)
• Sea Tarantula (Sea Tarantula an unused Ultraman script)
• 'Seaweed Space Beast' (unused concept for Ultraman Nexus)
• Second Godzilla / Godzilla Split-Off (abandoned / unused concept from Shin Godzilla)
• Second Hedorah (Godzilla vs. Hedorah 2)
• 'Sentient Star' (Fires of the Starmind, unused script / serial for Doctor Who, 1975)
• Serpent (When the Earth Cracked Open, late 1970s)
• Serpent Zord (abandoned concept for Power Rangers Lightspeed Rescue, 2000)
• Sesame the Three-Armed Genie / Giant Roc Bird (Sinbad Goes To Mars, also known as Sinbad's Voyage To Mars, 1977-1979)
• Shark Kaiju (unused concept from Pacific Rim, 2013)
• Sidekick Monster (Godzilla 1994)
• Simian-like Creature (Mortal, 1980)
• Singer (Gentle Monster an unused Ultraman 80 script)
• Snake Headed Madusa (The Satyr, 1950s)
• Son Gokuu (Gamera 3D)}}
• Space Beasts (Space Beasts Attack, an unused Ultraman script)
• Sphinx (The Satyr, 1950s)
• Spider Crab (deleted / lost scene from King Kong 1933)
• Spiky Golden Dragon (unused cover art by Chris Scalf for Dark Horse Comics' Godzilla)
• 'Squid-type Monster' (abandoned precursor to Zedus from Gamera the Brave)
• Squishy (unfinished Invader Zim episode Squishy: Hugger of Worlds)
• Stegosaurus (The Dinosaur Day Will Come! an unused Ultraman 80 script)
• 'Strange Monstrous Creatures' (The New Adventures Of King Kong)
• Sufinga (unused concept for Redman)

T

• 35 Super Sentai Robots Combination (abandoned concept from Super Sentai 199 Hero Great Battle, 2011)
• Takegami / M (Godzilla vs. M)
• Tangilar (Cyborg Dinosaur, an unused Ultraman script, but made it into the spin-off manga)
• Taurus Star Bats (What is Kamaitachi? an unused Ultraman 80 script)
• Teen 'Zillas (GODZILLA 2)
• Teenkong / Jeff Jefferson (I Was A Teenage King Kong, 1998)
• Tentacle Bug (deleted / lost scene from King Kong 1933)
• 'Termite Space Beast' (unused concept for Ultraman Nexus)
• Thanagarian Snare Beast (Superman Lives)
• Thing In The Trees, the (Tremors: Lost Monsters, television series, 1995)
• 'Third Volcano Monster' (The Volcano Monsters)
• 'Tiger Lander' (Chouriki Sentai Ohranger, 1995-1996, replaced by the Dogu Lander)
• Tin Behemoth, the (They Came From Hollywood, unreleased / unfinished 2008 PC game)
• Titan (Godzilla: Legend of The Asuka Fortress)
• Titans (Titan I and Titan II, Terror of Mechagodzilla early draft)
• Todogon (Final Battle of Freezing Point 40 Degrees an unused Ultraman script)
• Tor (Tor, 1991)
• Transforming Mechagodzilla (Godzilla vs. Mechagodzilla II early draft)
• Triceratops (King Kong 1933; The Legend of King Kong; King Kong 2005)
• Triceratops (When the Earth Cracked Open, late 1970s)
• 'Two-Headed Insect Space Beast' (unused concept for Ultraman Nexus)

U

• Ultraman Cross (Ultraman Cross 2004, ultimately became Ultraman Nexus)
• Umin (Jewellers, Yoshimitsu Banno, 1972-2010)
• Unnamed Multi-Legged Monster/"Vishnu" (Godzilla 2012 SDCC teaser trailer)
• Unnamed Ones (Dense Fog, an unused Ultra Q script)
• Unused Godzilla: The Series Monsters (Godzilla: The Series)
  • 'Anguirus'
  • 'Biollante'
  • Flying Gigan
  • 'Gabara'
  • Gus the Spider
  • Manda the Worm
  • 'Megalon'
  • 'Moguera'
  • Bird of Prey
  • Female Godzilla

V

• Varadaki / Varan (Guardian of Yamato version, Godzilla X Varan, Baragon and Anguirus: Giant Monsters All-Out Attack, 2001)
• Vines of Ceres, the (The Vines of Ceres, 1950)
• Vinestrangler (unused concept from Kong: Skull Island)
• The Visitor (Godzilla: Unleashed)

W

• Western Godzilla (untitled 20th anniversary Godzilla film)
• White Rodan (Godzilla vs. Mechagodzilla II early draft)
• WoO (WoO, 1966 TV series, later inspired 2006's Bio Planet WoO)
• Wyvern (Gamera vs. Two-Headed Monster W, better known as Gamera vs. Wyvern)

Y

• Yamaton (Destroy the Invasion Base, an unused Ultraman script; eventually appeared in the spin-off manga)
• 'Yellow Eyes' (Project Yellow Eyes, Tsuburaya Productions 2004, became Ultraman: The Next)

Z

• Zaular (abandoned concept from Ultraman Zero: The Revenge of Belial)
• Zidane (The Fear of Latitude 5000 Meters an unused Ultraman 80 script)
• Zone Angel (unmade giantess version, from Toho Monster TV Film Project: Zone The Meteor Man)

Miscellaneous Characters and Aliens

• Alien Sirius (early draft for The Man from V3 from Ultraseven, later evolved into Alien Iyros)
• Alien Toku / Twak (Vengence of 300 Years, unrealized script for Ultraseven)
• Alien Virus (Godzilla vs. M)
• Aquans (Inter Ice Age 4)
• Fire-Breathing llamas (They Came From Hollywood, unreleased / unfinished 2008 PC game)
• Garuga Aliens (Giant Monsters Converge on Okinawa! Showdown in Zanpamisaki)
• Human Torch (Invisible Man vs. the Human Torch, 1975-1977)
• Ice Men (Gamera The Giant Monster vs. The Ice Men From Outer Space)
• Invisible Man (Invisible Man vs. the Human Torch, 1975-1977)
• Jewellers (Jewellers, Yoshimitsu Banno, 1972-2010)
• Mana (Godzilla vs. Gigamoth)
• Marty / Ancient Alien Intelligence (Godzilla 1994)
• Mermaids (Bride of Godzilla?)
• Natarl Moon-Tanks (unused concept from Battle in Outer Space)
• Natarl Observers (unused concept from Battle in Outer Space)
• Nazca Aliens (Godzilla 3)
• Robot Duplicate (Godzilla: Legend of The Asuka Fortress)
• Sphinxes (A Space Godzilla film)
• Sunerians (A Space Godzilla film)
• Titan Aliens of Galaxy 23 (S.O.S. Japan! Godzilla's Suicide Strategy, 1979)
• UFO (Prophecies of Nostradamus II: Fear of the Great Devil, 1975)
• Vampire (Tremors: Lost Monsters, also known as Stampede, television series, 1995)

See Also

• List of Gamera monsters
• List of Godzilla monsters
• List of King Kong monsters
• List of unmade monster films

References

This is a list of references for List of unmade monsters. 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]