Tecpancaltzin.

the eighth ruler of the Toltecs at Tollan (Tula), a man; father of Xilotzin and Pochotl; he was presiding at the time of the decline and scattering of the Toltecs

Anónimo mexicano, ed. Richley H. Crapo and Bonnie Glass-Coffin (Logan, UT: Utah State University Press, 2005), 8.