He has the appearance of a giant, mutant, one-eyed monster, with a long enormous tail. He is lime green in color with a light green stomach and light purple lips.
I can turn into a skyscraper!
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When SpongeBob and Patrick fall into the abyss, The Sea Monster is in the bottom. The Sea Monster has been asleep for 79 years, so he bought a lot of Krabby Patties and Chum Patties, because his last meal was 79 years ago. He has a cruel attitude, seemingly evil, strong, and very respectful.