Ethan Smith identifies Quetzalcoatl as Moses.
Ethan Smith, View of the Hebrews; or the Tribes of Israel in America, 2nd ed. (Poultney, VT: Smith & Shute, 1825), 206
Though their ancient “legislator” is called by a name importing the serpent of green feathers; yet he was an ancient man, a white man and bearded; called by Montezuma, a saint, who led them to this country, and taught them many things. Who could this be but Moses, the ancient legislator in Israel?