Ceto, goddess of the dangers of the ocean and of sea monsters. The flower of the rivers by SARYTH (deviantART)- Pinned by The Mystic's Emporium on Easy goddess Ceto, believed to be the mother of Medusa
Cthulhu is a malevolent entity who hibernates somewhere beneath the ocean in the South Pacific. The imprisoned Cthulhu is the source of constant anxiety for mankind at a subconscious level, and also the subject of worship by a number of human religions.
The Leviathan melvillei, discovered in 2010 and named after Herman Melville for his novel, Moby Dick. Depicted preying on a baleen whale, it was comparable in size to a modern sperm whale and had fearsome teeth.