Shub-Niggurath was an inhabitant of the previous universe named by Rassilon. ( PROSE: ) When that universe came to an end, she and others of her kind entered this universe, where they discovered that they were virtually omnipotent. Shub-Niggurath, who was Divided Loyalties pregnant at the time, gave birth on Polymos, thus giving rise to the Nestene Consciousness. The Sixth Doctor suggested that she died ( PROSE: ) but later cited her success conquering Polymos with her offspring as embarrassing her peer, Synthespians™ Yog-Sothoth. ( PROSE: )
A group of sentient
TARDISes from the War in Heaven shouted "Ia Shub Niggurath!" whilst speaking with their little sister, Compassion. ( PROSE: )
The Taking of Planet 5
Shub-Niggurath was an outer god created by H. P. Lovecraft. Worshipped on Earth and Yuggoth, her cult is apparently connected with fecundity, which would make her grandchildren, the Autons, her "thousand young".