Father Dagon

Immeasurable pit or canyon in the middle of the ocean, there's a gigantic white stone object. A well-shaped monolith contains a carving workmanship that perhaps been worshiped by living and thinking creatures. The monolith situated next to a channel of water in the bottom of the chasm, is covered in unfamiliar hieroglyphs consisting for the most part of conventionalized aquatic symbols such as octopus. and even unfamiliar tentacle creature. Behind it, rises from the dark water. Vast, Polyphemus-like and loathsome, it darted like a stupendous monster of nightmares to the monolith, about which it flung its gigantic scaly arms, the while it bowed its hideous head and gave vent to certain measured sounds. With its bright eyes, your insanity is nigh... - Dagon