Quetzalcōātl

Quetzalcoatl () (Nahuatl: "Feathered Serpent") is a deity in Aztec culture and literature. Among the Aztecs, he was related to wind, the planet Venus, the Sun, merchants, arts, crafts, knowledge, and learning. He was also the patron god of the Aztec priesthood. He is also a god of wisdom, learning and intelligence. He was one of several important gods in the Aztec pantheon, along with the gods Tlaloc, Tezcatlipoca and Huitzilopochtli. The two other gods represented by the planet Venus are Tlaloc (ally and the god of rain) and Xolotl (psychopomp and its twin).

Quetzalcoatl wears around his neck the breastplate ehēcacōzcatl, "the spirally voluted wind jewel". This talisman was a conch shell cut at the cross-section and was likely worn as a necklace by religious rulers, as such objects have been discovered in burials in archaeological sites throughout Mesoamerica, and potentially symbolized patterns witnessed in hurricanes, dust devils, seashells, and whirlpools, which were elemental forces that had significance in Aztec mythology. Codex drawings pictured both Quetzalcoatl and Xolotl wearing an ehēcacōzcatl around the neck.

In the era following the 16th-century Spanish conquest of the Aztec Empire, a number of records conflated Quetzalcoatl with Ce Acatl Topiltzin, a ruler of the mythico-historic city of Tollan. Historians debate to what degree, or whether at all, these narratives about this legendary Toltec ruler describe historical events. Furthermore, early Spanish sources written by clerics tend to identify the god-ruler Quetzalcoatl of these narratives with either Hernán Cortés or Thomas the Apostle—identifications which have also become sources of a diversity of opinions about the nature of Quetzalcoatl.