He was the Maya equivalent of the central-Mexican Quetzalcoatl (see also for a longer discussion of this Mesoamerican Deity.)
He was a god of the four elements of fire, earth, air and water, as well as a culture hero who taught the Toltecs (his original followers) the arts of civilization, including codes of law, agriculture, fishing and medicine. He came from an ocean, and eventually returned to it.
He had four divine organisms, each associated with a specific element:
Alternative names include: Kucumatz, Gucumatz, Kukulcan, Kukumatz, Gugumatz, Quetzalcoatl (Aztec).