Nug and Yeb, the Twin Blasphemies

This horrid offspring of Shub-Niggurath and Yog-Sothoth is a rich start to quite complex snd convoluted dynasty of cosmic entities in the uncaring firmament. Nug is seemingly a parent to Cthulhu while Yeb fostered the unholy Tsathoggua. Nug is considered a Father of Ghouls while Yeb is a leader and guide of Abhoth cult. Both were known to the people of Hyberborea, but under different names. They seem to me important primogenitors of the Great Old Ones and yet, quite little is know about them. Some theorize that they were was a singular, androgynous entity - Cxaxukluth - that for reasons unknown split into the two beings. No matter though the truth, they are an ancient duo of malevolent abominations and source of many others that plague the cosmos.