Yog-Sothoth (The Lurker at the Threshold, The Key and the Gate, The Beyond One, Opener of the Way, The All-in-One and the One-in-All) is a fictional character in the Cthulhu Mythos and the Dream Cycle of H. P. Lovecraft. Yog-Sothoth's name was first mentioned in his novella The Case of Charles Dexter Ward (written 1927, first published 1941). The being is said to take the form of a conglomeration of glowing bubbles.Mythos summaryImagination called up the shocking form of fab