A bit like writing a fantasy novel. You aren’t paying any Tolkien Estate licensing fees, but people expect the established elves, trolls, dwarves, goblins, dra

A bit like writing a fantasy novel. You aren’t paying any Tolkien Estate licensing fees, but people expect the established elves, trolls, dwarves, goblins, dragons, etc. A more historical example of the same phenomenon may be commedia dell'arte.