The "Great Old Ones" are fictional cosmic entities from the works of H.P. Lovecraft and the broader genre of cosmic horror. They are often depicted as ancient, powerful beings that exist beyond human comprehension, influencing the universe in mysterious and often malevolent ways. These entities are typically associated with themes of madness and existential dread. In Lovecraft's mythos, the Great Old Ones include figures like Cthulhu and Yog-Sothoth, who are worshipped by cults and have the ability to drive humans to insanity. Their stories explore the insignificance of humanity in the vast cosmos, highlighting the fragility of sanity when confronted with the unknown.