Wikipedia
Citlalicue
In Aztec mythology, Citlalicue "star garment"; also Citlalinicue , Ilamatecuhtli was a creator goddess who created the stars along with her husband, Citlalatonac, the Milky Way, Earth, and also death and darkness. This pair of gods are sometimes associated with the first pair of humans, Nata and Nena.
In tonalpohualli, Citlalicue is the Lord of the Day for days that land on the 13th of the month (mahtlactli-omei in Nahuatl).