fabulist

noun2

1. •
   A person who writes, tells, or extensively studies fables.

   • That great fabulist and philosopher Aesop illustrated it by his fable of the bundle of sticks[…] — 1843
2. •
   (figurative) A liar.

   • The Infowars fabulist has been funneling millions out of his empire while claiming bankruptcy, the Sandy Hook families suing him say. — 2022