How did the Aztecs view the god Tezcatlipoca, especially in comparison to Huitzilopochtli?

Huitzilopochtli was obviously the most important god to the Aztecs/Mexica, as their patron deity and the god most associated with them. But how important was Tezcatlipoca to them in comparison? Considering his role in the creation of the world and his ties to fate and magic.