From the Xanth series by Piers Anthony, the Naga can be a race of human-headed serpents which can remodel amongst completely human and serpent forms, which includes any species and dimensions of snake. s are Shesha (or Ananta), who from the Hindu myth of generation supports Narayana (Vishnu) as https://andyvivfq.csublogs.com/35110028/new-step-by-step-map-for-23naga