Like Kukulkan, the lizard god Itzamná was associated with both ... Each had a different name for the feathered serpent, the more well known being Kukulkan, in use among the Yucatec.
The Maize god provides some of our favourite things like cacao, and maize of course. And there is Kukulkan, the fearsome feathered serpent god. Which reminds me… Kukulkan demands human sacrifices.