The Nagas seem from the many franchises by Blizzard Leisure. In Warcraft, They are really depicted as historical night time elves which have snake-like tails instead of legs, and produce other serpentine or aquatic features like scales and fins. Phaya Nak or Phaya Nāga (Thai: พญานาค; RTGS: phaya nak; https://casper7788844.blogozz.com/27654584/23naga-fundamentals-explained