The chacmools at Chichen Itza were found in a combination of chacmool, throne and serpent column; this chacmool-throne-serpent complex was associated with rulership during the Early Postclassic period. The original chacmool described by Le Plongeon in the 19th century included small images of the central Mexican deity Tlaloc on its ear ornaments. Among the Classic period Maya, such Tlaloc imagery was associated with war and human sacrifice. Associations between the rain god, war and human sacrifice may have continued into the Postclassic period as demonstrated by the chacmool within the Castillo at Chichen Itza, which bears small images of the Maya rain god Chaac on its ear ornaments. The chacmools at Tula, with contextual similarity to those at Chichen Itza, probably also represent war captives.