About "Gods"-
"Except for Ra who at the time was know as Ra'ta Ronairi all the names come from demotic egyptian, none of these people were named as such in their time.
Set was the first master of the order of builders, his name did not survive but he was the one who laid the plans for the vast underground networks under Giza and oversaw the excavation of the chambers.
Thoth was the first master of the order of devices, his men provied the arcane and the technological means of the complex.
Nepthys was a junior architect, she saw to the building of the various above ground complexes."