In the Xanth series by Piers Anthony, the Naga really are a race of human-headed serpents that will change among totally human and serpent forms, together with any species and measurement of snake. Antaboga, the globe serpent in Javanese and Balinese mythology of Indonesia, who established the entire world https://cruzsepam.pointblog.net/the-smart-trick-of-23naga-that-no-one-is-discussing-71447251