Huitzilopochtli

, also known as the Blue Tezcatlipoca (PROSE: The Left-Handed Hummingbird) was the Aztec god of darkness. According to Aztec legend, Huitzilopochtli drove Quetzalcoatl into exile. Tlotoxl referred to Huitzilopochtli as the god who "made us strong". (PROSE: The Aztecs)

Huitzilin was the inspiration for the legend of Huitzilopochtli. (PROSE: The Left-Handed Hummingbird)

Behind the scenes
The real life Huitzilopochtli in Aztec mythology was a god of the sun instead of darkness and had no direct role in Quetzalcoatl's exile.