The king in yellow

A myterious being who is always behind the scenes of your everyday life watching you and your every move. Any one who meeets him will go insane. Always has to do with the myterious land known as Carcosa. Might be the half borhter of Cthulhu. Tells series of stories that is impossible to make sense of or understand and will lead readers or listeners of his story go mad. Their still not much known about this mysterious Entity. Lives in the city of Carcosa which is in the realm of nightmare.