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H. P. Lovecraft: Dagon was one of the creatures created by H. P. Lovecraft in his Cthulhu mythos stories, appearing in the story, "Dagon". He was a deep one, or creature that was a combination of human and amphibious marine life, who had amassed so much power that he was giant sized over his kin, the deep ones, who considered him one of three gods that they worshipped, and was a minor Great Old One, or godlike being, in the mythos.