From the Xanth sequence by Piers Anthony, the Naga can be a race of human-headed serpents which will change among entirely human and serpent varieties, which include any species and dimension of snake. Antaboga, the globe serpent in Javanese and Balinese mythology of Indonesia, who produced the whole world https://waylonerdnz.digitollblog.com/29609116/about-23naga