Icxicoatl.

Headword: 
Icxicoatl.
Principal English Translation: 

a Tolteca Chichimeca who settled in Tula with three other Tolteca Chichimecas and four Nonoalca Chichimecas, according to the Historia ToltecaChichimeca or Anales de Cuauhtinchan. (central Mexico, sixteenth century)
Literaturas de Anahuac y del Incario / Literatures of Anahuac and the Inca, ed. Miguel León-Portilla (Mexico City: Siglo Veintiuno Editories, 2006), 192.

Orthographic Variants: 
Icxicóhuatl
Attestations from sources in English: 

Icxicoatl was a Tolteca-Chichimeca leader who, together with Quetzaltehueyac, appears as a culture hero in the opening narrative of the Historia Tolteca-Chichimeca and who played an "Edenic" role from time immemorial in the altepetl of Tollan. They not only have an assocation with Tula but also "claim the right to rule in Cholula" in this narrative.
Dana Leibsohn, Script and Glyph: Pre-Hispanic History, Colonial Bookmaking and the Historia Tolteca-Chichimeca (Washington D.C.: Dumbarton Oaks Research Library and Collection, 2009), 29–33.

Attestations from sources in Spanish: 

auh yn iquac omiqui yn uemac niman ya yc yaui yn tollan yn nonouallca yn xelhuan yn ueuetzin yn icxicouatl yn quetzalteueyac = Y cuando murió Uemac luego ya se van a Tollan los nonoualca Xelhuan y Ueuetzin [y los tolteca] Icsicouatl y Quetzalteueyac. (Quauhtinchan, s. XVI)
Historia Tolteca-Chichimeca, eds. Paul Kirchhoff, Lina Odena Güemes, y Luis Reyes García (México: CISINAH, INAH-SEP, 1976), 135.