Monster Profile: Giant Sea Snake (Giant Sea Serpent) Movie Appearances:  King Kong Escapes The Giant Sea Snake has the appearance of a massive snake, but the end of its tail features fin-like appendages. There’s nothing too complex about this monster’s design it’s pretty much just an oversized sea serpent. The Giant Sea Snake attacks its prey using its powerful bite and its ability to constrict. Being a sea-dwelling creature, it’s naturally a strong swimmer. The Giant Sea Sna

The Plot A man is at sea during a storm when a giant octopus attacks him. Just as he’s about to die, he is released by the octopus. Looking out the ship’s window, he sees a giant green, humanoid beast fighting the octopus. The monster, called Gaira, defeats the octopus and then turns on the ship, sinking it and killing its crew. One sailor survives and tells the story of being attacked first by a giant octopus and then by Gaira. He claims that Gaira ate the rest of the crew.