The Maya used the name Kukulkan to refer to the same feathered serpent god. According to Aztec tradition, Quetzalcoatl was one of the creator deities responsible for shaping the world and humanity.
And there is Kukulkan, the fearsome feathered serpent god. Which reminds me… Kukulkan demands human sacrifices. It is a great honour to be sacrificed. When ordinary people like me die our souls ...