Original: Quetzalcoatl was one of several important gods in the Aztec pantheon along with the gods Tlaloc, Tezcatlipoca and Huitzilopochtli.
Simplified: Today Quetzalcoatl is arguably the best known Aztec deity but there were several other important Aztec gods too: Tlaloc, Tezcatlipoca and Huitzilopochtli.