What's the old lady's name?

Fox mother is the leader of beauty fox essence and one-legged fox essence. Leading two fox spirits to steal gobbledygook, learning the magic of wordless gobbledygook, colluding with the government and harming the people. In the end, he failed in the contest with the egg-born master and apprentice in the palace and was punished as he deserved.

Plot:

Eggs are for reading books, controlling locusts and disasters, and eliminating pests for the people. Three foxes hate eggs to prevent them from doing evil, conspiring to steal gobbledygook, colluding with the government and harming the people. Egg-born pursues the heavenly book and fights with fox spirit many times. When the egg and the fox competed for the gobbledygook, Yuan Gong came. He took back the gobbledygook, took out a white stone mirror from his arms and trampled the fox to death at the foot of Yunmeng Mountain.