From the Xanth sequence by Piers Anthony, the Naga really are a race of human-headed serpents which can rework among completely human and serpent types, 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://donovankwiug.thekatyblog.com/28202610/what-does-23naga-mean