What is "coyolxauhqui"

In Aztec mythology, Coyolxauhqui (, "Face painted with Bells") was a daughter of Coatlicue and Mixcoatl and is the leader of the Centzon Huitznahuas, the southern star gods. Coyolxauhqui ruled over her brothers, the Four Hundred Southerners, she led them in attack against their mother, Coatlicue, when they learned she was pregnant, convinced she dishonored them all.