In King Kong Escapes, Gorosaurus was a huge dinosaur living on Mondo Island, and attempted to eat Lieutenant Susan Watson after she and a United Nations ship crew came ashore on the island. Gorosaurus was attacked by King Kong, who had taken an interest in Watson, and was defeated after Kong broke his jaw. A second incarnation of Gorosaurus appeared in Destroy All Monsters, where he lived on Monsterland along with the rest of Earth's monsters at the end of the 20th century. The Kilaaks invaded the island and took control of its monsters, unleashing Gorosaurus in Paris. When the invaders' hold on the monsters was finally severed, Gorosaurus joined forces with Godzilla and the other Earth monsters against King Ghidorah, helping to turn the tide of battle by delivering a crippling kick to King Ghidorah's back. Gorosaurus was also featured in the television series Go! Godman as an enemy of the hero Godman.
The origin of Gorosaurus' name is not entirely known, though the "-saurus" part of his name, a common component of the names of dinosaurs and other prehistoric reptiles, comes from the Greek word sauros, meaning "lizard." Gorosaurus goes unnamed in King Kong Escapes, and his name is only spoken onscreen in his second appearance in Destroy All Monsters. The Gorosaurus from Destroy All Monsters is sometimes designated in official books as Second Generation Gorosaurus (二代目ゴロザウルス. Nidaime Gorozaurusu) In Destroy All Monsters, during the sequence when Gorosaurus emerges from below the Arc de Triomphe, he is called "underground monster" (地底怪獣, another name for Baragon, in the Japanese dialogue. Chitei Kaijū)
Gorosaurus was created for the film King Kong Escapes to battle King Kong as an homage to the Meat-Eater which appears in the original King Kong. Because Toho Special Art was occupied with modeling both the King Kong and Mechani-Kong suits as well as other kaiju suits for the Ultra Series, Nobuyuki Yasumaru modeled the Gorosaurus suit himself after consulting chief artist Yasuyuki Inoue, aiming for it to feel like a living creature. Yasumaru created a prototype of the monster's head with water clay. A balloon was placed inside the suit to create its throat movements. As the head became heavy from the mechanism used to open and close the mouth, the head was attached to a piano wire during filming. Die-cut latex mixed with sawdust was applied over its skin to achieve a sense of hardness and mass. The suit was worn by actor Hiroshi Sekita, who also served as the suit actor for Mechani-Kong in the film.
Filming is prepared for the scene where Gorosaurus approaches the Exploration Car on Mondo Island
In the final draft of the screenplay for Destroy All Monsters, the walrus-like kaiju Maguma from Gorath attacked Paris and destroyed the Arc de Triomphe. Maguma was eventually replaced by Baragon in the role, but the filmmakers had concerns about using the restored Baragon suit in the scene due to problems with the suit's ears. The role was ultimately given to Gorosaurus, who gained Baragon's ability to burrow and was even referred to as "Baragon" and the "Subterranean Monster" in dialogue. The Gorosaurus suit from the previous year's film was reused for the character's role in this film, with minor cosmetic changes made to the suit's coloration. Hiroshi Sekita again wore the suit, while simultaneously alternating with Tadaaki Watanabe in the role of Anguirus. A small puppet of Gorosaurus and all of the film's other Earth kaiju was created for long shots of the monsters in Aokigahara before the film's final battle. Gorosaurus appeared on the poster and in publicity stills for the next year's film All Monsters Attack, but his role consisted only of a very brief appearance utilizing stock footage from King Kong Escapes. The suit was used in 1970 as part of the "Godzilla vs. Gamera" stage show at the World's Fair. Only one photograph of Gorosaurus clashing with Godzilla with Space Gyaos in the background has surfaced.
The Gorosaurus suit was reused for episode 6 of Toho's tokusatsu television program Go! Godman in 1972. As the suit was not maintained following its use in Destroy All Monsters, it was in very poor shape by this time and had apparently begun to fall apart from the inside, causing its torso to cave in and leaving its lower jaw hanging limply under the head, visibly slanting to one side in some closeups.
The Gorosaurus suit prior to its usage in Go! Godman
Gorosaurus is a giant bipedal dinosaur whose appearance was chosen to reflect the Meat-Eater from the original King Kong. As such, the dinosaur stands upright with his tail dragging on the ground, and possesses a large head, muscular legs and short arms. He has three fingers on each hand, in line with the Meat-Eater. The monster's skin is covered in thick, scaly bumps, and he sports a spike on the tip of his tail. In King Kong Escapes, Gorosaurus' skin is mostly blue in color, while his chin is red that fades into a lighter desaturated yellow on the underside of his tail and belly. In Destroy All Monsters, Gorosaurus' coloration is more muted. His skin now appears more gray, with the red coloration on his chin being much less visible. His underside remains a light tan color, which may appear yellow in some instances.
By the time he appeared in Go! Godman, Gorosaurus' suit was in very poor shape, with its inner support seemingly deteriorated, thus making its torso appear to be caving in, and its jaw hanging at a slight angle.
Gorosaurus is a carnivorous descendant of the dinosaur genus Allosaurus, which lived during the Late Jurassic Period approximately 150 million years ago. The Gorosaurus in King Kong Escapes was living on Mondo Island in the modern day, while the second Gorosaurus from Destroy All Monsters was one of the various monsters contained on Monsterland at the end of the 20th century.
- King Kong Escapes (1967)
- Destroy All Monsters (1968)
- All Monsters Attack (1969) [stock footage]
- Godzilla vs. Gigan (1972) [stock footage]
- Go! Godman (TV 1972) [episode 6]
- Godzilla Island (TV 1997-1998) [92 episodes][note 2]
- Godzilla Final Wars (2004) [toy]
- Godziban (web 2019-2023) [episodes 21, 33-34, 47, 49-50, 54-57, and 63; special episodes 2, 4, and 9-11]
When Carl Nelson and his fellow crew members Jiro Nomura and Susan Watson disembarked from their ship on Mondo Island, Susan drew the attention of Gorosaurus, who attempted to eat her. Susan's screams caught the attention of King Kong, who emerged from his cave to rescue her. Kong grappled with Gorosaurus, who used his kangaroo kick to knock Kong to the ground. Kong managed to gain the upper hand and pummel Gorosaurus into submission, saving Susan from the beast. However, just as Kong tried to walk away, Gorosaurus regained consciousness and clamped his jaws on Kong's leg. Kong was able to pry Gorosaurus' jaws apart, then defeated him by breaking his jaws.
At the end of the 20th century, Gorosaurus was living on Monsterland with the other Earth monsters. After the monsters were taken over by the Kilaaks, Gorosaurus was sent to attack Paris, burrowing underneath and destroying the Arc de Triomphe. He was later called back to Mount Fuji to guard the Kilaaks' base of operations. After he was released from his mind control, he helped Godzilla and the other Earth monsters battle King Ghidorah. Gorosaurus landed a devastating kangaroo kick on King Ghidorah's back, damaging his spine and knocking him to the ground. This turned the tide of battle and allowed Godzilla, Anguirus and Minilla to finish off the space monster once and for all. After the destruction of the Kilaaks, Gorosaurus and the other Earth monsters were returned to Monsterland to live out their days peacefully.
Gorosaurus also appears in the series Go! Godman, as a one-time enemy of the eponymous Godman. Gorosaurus appears in a small town and begins to wander around, stepping on trees. Godman is summoned to battle the monster and the two spar, with Gorosaurus ultimately being finished off by a bombardment of Godman's God-Circles and Supersonic Wave attack.
Gorosaurus is able to use his tail to perform jumps as high as 30 meters.
In addition to his aforementioned physical strength, Gorosaurus has been noted for using a Kangaroo Kick (カンガルー・キック Kangarū Kikku), a special jumping kick that when delivered can knock the opponent to the ground. Gorosaurus has used his Kangaroo Kick against foes like King Kong and King Ghidorah, and it is arguably his most well-known skill.
Gorosaurus uses his Kangaroo Kick against King Kong
In the Game Boy game Godzilla, King of the Monsters, Gorosaurus can spit fireballs.
- Godzilla, King of the Monsters (1993) - Nintendo Game Boy
- Godzilla: Heart-Pounding Monster Island!! (1995) - Sega Pico
- Godzilla Movie Studio Tour (1996) - PC and Mac
- Godzilla Generations (1998) - Sega Dreamcast
- Godzilla: Trading Battle (1998) - Sony PlayStation
- Collect Godzilla: Giant Monster Assembly (1998) - Sega Dreamcast VMU
- Godzilla (2014) - PlayStation 3 and 4 [Kaiju Guide]
- Godzilla Defense Force (2019) - Android and iOS
- Main article: Godzilla (2014 video game)/Kaiju Guide#Gorosaurus.
- Main article: Gorosaurus/Gallery.
Gorosaurus appeared in Paris after the city was destroyed by Godzilla. Possessing agility equivalent to Zilla and excellent jumping ability, Gorosaurus battled G-Force in the city in December of 2039 and initially resisted all of their attempts to destroy him, even bringing down two Super X2s. He was finally killed by the combined efforts of G-Force and the Bilusaludo's advanced spacecraft.
- Godzilla: Rulers of Earth #1, 9, 21-22, 25 (2013-2015)
- Godzilla: Rage Across Time #5 (2016)
- Godziman #12 (2019)
- Godzilla: War for Humanity #1 (2023)
Gorosaurus was seen in a flashback that the Shobijin told Lucy in an attempt to explain the origins of all monsters. During prehistoric times, Gorosaurus was seen devouring two full-grown dinosaurs, a Tyrannosaurus and a Spinosaurus which were about to fight each other over a downed Triceratops. Before he could eat his meal, however, Megaguirus attacked him. The Allosaurus-like monster kangaroo-kicked the dragonfly beast and knocked her out of the sky. During the Ice Age, Gorosaurus was later seen frozen in suspended animation inside the ice next to Anguirus. He was included among the "land" monsters in a cave mural on Infant Island.
In the present, Gorosaurus was awoken in Australia by the Trilopod invasion. Gorosaurus battled a horde of Trilopods who invaded his home, and managed to kill several of them. However, he was eventually beaten down, with one of them absorbing his blood to gain his dinosaurian characteristics. Gorosaurus was then subdued and taken to the Trilopod hive, where he remained captive until King Caesar arrived to free him and the other monsters. King Caesar then led Gorosaurus and the other kaiju of Earth in the fight against Magita. In the aftermath, Gorosaurus was seen following Godzilla out to the ocean alongside the other monsters following Magita's defeat.
During the Cretaceous Period, Gorosaurus battled King Caesar.
Gorosaurus was attacked by Zoospora while following its annual migration path, which vomited spores into the dinosaur's mouth and left it unconsious. Upon awakening, Gorosaurus became unusually aggressive and destroyed a nearby city.
In Gorosaurus' heroic role in Destroy All Monsters, his roar was slowed down and deepened. Gorosaurus was also given one of Godzilla's roars, during the fight with King Ghidorah. In this film, Gorosaurus also had some other monsters' roars blended into his roar, like Ebirah's screech which can be heard at the beginning of his roar. Gorosaurus also used Varan's unedited roar during the scene where he destroys the Arc de Triomphe. His roars were later reused for the Ultra Series kaiju Alien Bat. In Go! Godman, he uses a lower-pitched Zumbolar roar, which is itself a combination of Godzilla's, King Kong's and Gamera's roars, mixed with a bell-like ringing sound.
In other languages
- According to most sources, the original Gorosaurus from King Kong Escapes stands 35 meters tall, yet is only slightly taller than this film's King Kong, who is 20 meters in height. Interestingly, in Destroy All Monsters, despite Gorosaurus appearing to be about the same height as the 50-meter tall Godzilla, Gorosaurus is constantly stated as being 35 meters tall in supplementary materials.
- Gorosaurus' role in King Kong Escapes is a direct homage to the Meat-Eater that fought King Kong in the 1933 film. Like the Meat-Eater, Gorosaurus menaces Kong's human love interest before he is defeated by Kong when the giant ape breaks his jaws. Additionally, Gorosaurus' design is an homage to the Meat-Eater.
- The Pachimon character Doilar is taken directly from Gorosaurus' design, but altered with two head horns and a toothless mouth.
- In the Super Sentai series Zyuranger, the Guardian Tyrannosaurus often performs a Gorosaurus-like kangaroo kick.
- A "what-if" illustrated scenario in the 2004 book Godzilla: Tokyo SOS Super Complete Works showed the JXSDF creating an army of mecha-kaiju with the help of DNA extracted from their organic counterparts, including Gorosaurus.
- Gorosaurus influenced the design of Godzilla Terrestris in Godzilla Singular Point.
- In February 2021, Bandai held a public poll to determine which kaiju they would add to their 6-inch vinyl Movie Monster Series line on November 3. Gorosaurus prevailed over Mothra 1961, Godzilla 1962, Ebirah 1966, Anguirus 1968, Hedorah 1971, Godzilla 1984, King Ghidorah 1991, Super Mechagodzilla, and Baragon 2001.
- A dinosaur strongly resembling Gorosaurus appeared in a 2021 Coca-Cola Zero Sugar ad called "Dino".
- The theater program for King Kong Escapes, published in 1967, describes Gorosaurus as having a 35-meter total length and a tail length of 15 meters. "Total length" (全長) typically refers to the measurement of a monster from its head to its tail while fully outstretched; deducting the length of his tail (15 meters) from this measurement would leave him with a height of 20 meters, the same as Mechani-Kong and the 1967 King Kong from the same movie. While some sources concur with a 20-meter height and 35-meter total length, a majority erroneously attribute the 35-meter figure to Gorosaurus' height, including some contemporaneous to Destroy All Monsters. Moreover, the 1991 publication Toho Monster Graffiti (p. 21) gives him a height of 50 meters, the same as the Showa Godzilla.
- Episodes 1, 6, 9, 11, 21, 39-40, 43-44, 58-63, 66, 76-77, 83-85, 93, 97-98, 110-114, 119-120, 125, 127, 130, 132-135, 137-146, 148-150, 160, 169, 179, 181-184, 186-190, 192, 194, 199, 202, 207-209, 212, 214, 216-217, 223-224, 226-229, 233-234, 236-238, 244-246, 249, 251-252, and 255.
This is a list of references for Gorosaurus. 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: 
- Sugita, Hiroki; Sasaki, Suguru; Toya, Koichi; Kamatsu, Tadashi, eds. (10 December 1993). Encyclopedia of Godzilla (Mechagodzilla Edition). Gakken. ISBN 4-05-600174-X.
- Iwahata, Toshiaki; Akai, Masanao (1 September 1994). 40th Anniversary Celebration: Godzilla Great Encyclopedia. Kodansha. ISBN 4-06-178417-X.
- Godzilla 60: Complete Guide. Magazine House. 5 September 2014. ISBN 978-4-8387-8944-3.
- Definitive Edition: Godzilla Giant Monster Perfect Super Encyclopedia. Kodansha. 20 August 2016. ISBN 978-4-0652-3491-4.
- Super Common Knowledge of Godzilla. Futabusha. 6 September 2016. ISBN 978-4-575-31156-3.
- Picture Book of Godzilla & All Monsters. Kodansha. 2 July 2021. ISBN 978-4-06-523491-4.
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