Xiuhtecuhtli

In Aztec mythology, Xiuhtecuhtli ("Turquoise Lord"), but also named Ixcozauhqui and Huehueteotl ("old god") was the personification of life after death, warmth in cold (fire), light in darkness and food during famine. He was usually depicted with a red or yellow face and a censer on his head. His wife was Chalchiuhtlicue.
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[Aztec] Xiuhtecuhtli, also called Huehueteotl ("old god"), is the senior-deity of the Aztec pantheon. He is the personification of light in the darkness, warmth in coldness, and life in death. A god of light and fire, he is often depicted with a red or yellow face, with a censer on his head. His wife is mentioned as Chalchiuhtlicue, a water and vegetation goddess, although she also appears as the wife of Tlaloc. At the end of a 52-year cycle (the Aztec century) it was feared that the gods would discontinue their contract with mankind. To appease them, at the end of such a cycle feasts were held in their honor, where Xiuhtecuhtli as the god of fire was the center of their attention. Victims were placed on burning coals, after the hearts had been removed from the bodies.