The primary deities in the Aztec pantheon include Quetzalcoatl, the feathered serpent god of wisdom and wind; Tezcatlipoca, the god of the night sky and sorcery; and Huitzilopochtli, the god of war and the sun. Each played a vital role in Aztec religion and society, influencing various aspects such as agriculture, warfare, and the afterlife. Together, these gods formed a complex system of beliefs that guided the lives of the Aztec people and their understanding of the universe.