Giant Sea Serpent

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Image gallery for Giant Sea Serpent

Giant Sea Serpent
The Giant Sea Serpent in King Kong Escapes
Alternate names Giant Sea Snake, Sea Snake,
The Serpent of Mondo Island[1]
Subtitle(s) Sea Beast (海獣,   Kai-jū)[2]
Species Giant serpent
Length 85 meters[3]
Weight 4,000 metric tons[3]
Enemies King Kong
Modeled by Teizo Toshimitsu, Yasuei Yagi
Played by Puppet
First appearance King Kong Escapes

The Giant Sea Serpent (大ウミヘビ,   Ō-umihebi, lit. Giant Sea Snake) is a giant serpent kaiju that first appeared in the 1967 Toho film, King Kong Escapes.

A huge serpent living in the waters around Mondo Island, the Giant Sea Serpent was confronted by King Kong when it approached the Hover Car as it made its way back to the Explorer. The serpent constricted its body around Kong, but the giant ape was able to triumph and threw the defeated serpent aside into the water.


The Giant Sea Serpent is literally called Giant Sea Snake (Ō-umihebi) in Japanese. Its name is most often written in Japanese media as 大ウミヘビ, with the umihebi spelled out in katakana. Sometimes the name is represented entirely in kanji, as 大海蛇.[4] In the film itself, the character Jiro Nomura calls it a Sea Snake (海蛇,   Umihebi), while it is left unnamed in the English version.


The Giant Sea Serpent was included in King Kong Escapes as an homage to the serpent-like Elasmosaurus Kong battles in the original 1933 film. The puppet's head was modeled by Teizo Toshimitsu and its body by Yasuei Yagi. In the 1973 Toho Champion Festival release of the film, the Giant Sea Serpent's scene was cut.


Showa series

King Kong Escapes

The Giant Sea Serpent only has a short appearance in the film King Kong Escapes. When the film's central character Susan Watson and her companions are attempting to leave Mondo Island, the Giant Sea Serpent rises out from the water and approaches their craft. On the shore, King Kong, concerned with the safety of Susan then throws a boulder at the serpent to distract it while Susan Watson and her companions escape the serpent and reach their submarine. King Kong goes into the water, and is attacked by the Giant Sea Serpent, who attempts to constrict Kong. After a brief skirmish, Kong frees himself from the Giant Sea Serpent's grasp and tosses him back into the water.


  • The Giant Sea Serpent has abilities similar to those of contemporary giant snake Manda.
  • The Giant Sea Serpent is a superb swimmer and uses constriction to defeat his enemies.


Main article: Giant Sea Serpent/Gallery.



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