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"In his house at R'lyeh, dead Cthulhu waits dreaming..." - English translation of Aklo verse
This article is written on a topic within the Greater Cthulhu Mythos based on information from works in the Mythos. By default, all information is to be assumed to derive from the Lovecraft Myth Cycle unless otherwise marked.
Yad-Thaddag is possibly the Elder God equivalent of The Outer GodYog-Sothoth. This being has the same appearance as Yog-Sothoth, except its spheres are of a different color and its nature is purely benevolent.