mythmaker

/ˈmɪθˌmeɪkər/
noun
  1. A person who creates or invents myths, either traditional stories or modern legends.
    • The ancient poet was a mythmaker who gave the gods their personalities and adventures.
    • In Hollywood, the director became a mythmaker, crafting stories that defined a generation.
    • Every culture has its mythmakers, people who shape the stories that explain the world.