|Large Antarctic Sea Mammal|
|First Sighting||7:00 PM February 13, 1958|
|Last Sighting||7:00 PM February 13, 1958|
The Large Antarctic Sea Mammal is a cryptid first spotted by a Japanese research ship in 1958 in Antarctica.
The captain of the Soya nicknamed this creature "Antarctic Godzilla," as it resembled Godzilla. Some indicate that the creature is of the same species as the Kabagon.