For ten points identify this jaguar­god, the jealous younger brother and archnemesis of Xolotl (sho­LOH­tel) and Quetzalcoatl, the Aztec god of night.
His glyph is tecpatl (tek­PAH­tel), the obsidian knife, and his two forms, Yaotl (yah­OHtel) and Tepochtli (the­ POHCH­tli), symbolize his dual roles as warrior­poet and traitor.  Two of the most important myths about him concern his seduction of the love goddess Xochiquetzal (SHO­chi­ket­SAHL) and his expulsion from Tula, where he was lord of the Toltec pantheon. His name is Nahuatl (nah­WAH­tel) for "Smoking Mirror" and is derived from his shining breastplate. For ten points identify this jaguar­god, the jealous younger brother and archnemesis of Xolotl (sho­LOH­tel) and Quetzalcoatl, the Aztec god of night.
His glyph is tecpatl (tek­PAH­tel), the obsidian knife, and his two forms, Yaotl (yah­OHtel) and Tepochtli (the­ POHCH­tli), symbolize his dual roles as warrior­poet and traitor.  
Tezcatlipoca (tez­CAHT­li­PO­ka)