Complex sentence: The Feathered Serpent was a prominent deity or supernatural in many Mesoamerican religionsQuetzalcoatl among the Aztecs, Kukulkan among the Yucatec Maya, and Tepeu Gukumatz among the K'iche' (Quiché) Maya.
Split into simpler sentences: The Feathered Serpent was a prominent deity or supernatural in many Mesoamerican religions. It was called Quetzalcoatl among the Aztecs, Kukulkan among the Yucatec Maya, and Tepeu Gukumatz among the K'iche' (Quiché) Maya.