Yellowback

From Wikizilla

Yellowback is a monster from the book Godzilla: Journey to Monster Island and Godzilla vs. the Space Monster . It's apparently base off a venomous snake and is the rival of the rattler. It has a roll in the final battle against King Ghidorah by biting it wing to ground the dragon.

Monsters
Monsters in the Godzilla series	Anguirus | Baby Godzilla/Little Godzilla/Godzilla Jr | Baragon | Battra | Biollante | Deathla | Destroyah | Ebirah | Gabara | Giant Condor | Gigan | Godzilla | Gorosaurus | Hedorah | Jet Jaguar | Kamacuras/Gimantis | King Caesar | King Ghidorah | King Kong | Kumonga/Spiga | Kiryu | Manda | Mechagodzilla | Mechagodzilla 2 | Mecha-King Ghidorah | Megaguirus | Megalon | Meganulon/Meganula | Millennian/Orga | Minya/Minilla/Minira | M.O.G.U.E.R.A. | Monster X/Keizer Ghidorah | Mothra | Oodako | Rodan/Fire Rodan | Spacegodzilla | Titanosaurus | Varan | Zilla
Other Monsters by Toho	Moguera | Maguma | Dogora | Gezora | Ganimes | Kamoebas | Frankenstein | Sanda | Gaira | Giant Sea Serpent | Mechani-Kong (Mecha King-Kong) | Mothra Leo | Desghidorah | Rainbow Mothra Leo | Aqua Mothra Leo | Light Speed Mothra Leo | Armor Mothra Leo | Eternal Mothra Leo | Garu-Garu | Dagahra | Cretaceous King Ghidorah | Grand King Ghidorah | Amano Shiratori | Kumasogami (Dororin) | Kaishin Muba | Orochi | Utsuno Ikusagami
Monsters by Daiei	Gamera | Barugon | Gyaos | Viras | Space Gyaos | Guiron | Jiger | Zigra | Super Gyaos | Legion | Hyper Gyaos | Irys | Albino Gyaos | Zedus | Daimajin | Pairan
Monsters outside of Daiei and Toho	Clover | Cykor | Gappa | Gorgo | Guilala | Rhedosaurus | Ymir | Yongary | The Giant Claw | MI-6 2 "Miroku" | Negadon | Gfantis | Reptilicus | List of Monsters from Skull Island | The Blob | Pulgasarri
Monsters from Godzilla: the Series	Zilla | Mutant Giant Squids | Crustaceous Rex | Nanotech Creature (P.E.M.C.) | El Gusano Gigante | Cyber Flies | Giant Rats | Cryptocleidus | Reptilians | Crackler | Giant Mutant Bees | Quetzalcoatl | Ice Borers | Nessie | Robo-Yeti | King Cobra | Giant Mutant Termites | Giant Bat | Cyber-Zilla | the Chameleon | Bacillus | Giant Mutant Widow Spider | Sub-Zero Manta | Techno-Sentient | Silver Hydra | DNA Mimic | Lizard Slayers | Giant Sea Anemone | the Swamp Beast | the Fire Monster | Norzzug, the Living Statue | Giant Mutant Hummingbird | Mutant Mania Monsters | Megapede/Cicada | Ts-eh-Go and the Mutant Scorpions | Giant Mutant Vampire Bat | Armillaria | the Shrewster | Skeetera | Mutant Jellyfish | D.R.A.G.M.A. | Giant Turtle | Komodithrax | Area 51 Mutations | Deep-Dweller | the Giant Centipede | the Giant Water Beetle | Rhinosaurus
Monsters from the The Godzilla Power Hour	(Hanna-Barbera)Godzilla | Godzooky | Fire Bird | Earth Eater | Stone Creatures | Megavolt Monsters | Seaweed Monster | Energy Beast | Colossus | Horror | Chimera | Minotaur | Magnetic Monster | Breeder Beast | Great Watchuka | Diplodocus | Time Dragon | Giant Squid | Giant Fly | Axor | Power Dragon | Giant Octopus | Cyborg Whale | Giant Bee | Giant Dragonfly | Giant Ant | Giant Beetle | Giant Black Widow | Moon Lode | Magma Lizard | Macro-Crab | Macro-Electric Eel | Macro-Manta | Macro-Sea Horse | Golden Guardians
Monsters from Books	Sasori | Giant Ants | Gopher | Armie | Gecko | Gila | Chuck | Rattler | Yellowback
Monsters from Comics/Mangas	(Marvel)Godzilla | (Dark Horse)Godzilla | Lord Howe Monster | Red Ronin | Stranger | Yetrigar | Hero Zero | Bagorah | Batragon | Centipor | Ghilaron | Lepirax | The Beta-Beast | Triax | Rhiahn | Krollar | Balgon | All-Terraintula | Burtannus | Cybersaur | Gekido-jin | Robotic Devil Dinosaur | Inagos | Soran
Monsters from Video Games	Super Godzilla | Bagan | Balkzardan | Barugaron | Jyarumu | Razin | Shiigan | Vagnosaurus | Obsidius | Krystalak | MGR-IInd | SMG-IInd | Neo Gyaos
The Ultras	Ultraman | Ultraman Zoffy | Ultra Seven | Ultraman Jack | Ultraman Ace | Ultra Father | Ultra Mother | Ultraman Taro | Ultraman Leo | Ultraman Astra | Ultraman King | Ultraman Joe/Jonias | Ultraman Eighty | Ultra Yullian | Ultraman Chuck | Ultraman Scott | Ultra Beth | Ultraman Great | Ultraman Powered | Ultraman Zeas | Ultraman Tiga | Ultraman Dyna | Ultraman Gaia | Ultraman Agul | Ultraman Nice | Ultraman Neos | Ultraman Cosmos | Ultraman Justice | Ultraman Legend | Ultraman Boy | Ultraman Noa | Ultraman Nexus | Ultraman The Next | Ultraman Max | Ultraman Xenon | Ultraman Mebius | Ultraman Hikari
Monsters from Television Shows	Zone Fighter | List of monsters from Zone Fighter | List of monsters from the different Ultraman series | Neo Hedorah | Medic Jet Jaguar | Fire Fighter Jet Jaguar | Black Mechagodzilla | Super Special Space Godzilla High Grade Type Two | Hyper Maser Mecha-King Ghidorah | Shadow Godzilla | List of unmade monsters