Ambrose Bierce

American editorialist, journalist, short story writer, fabulist, and satirist (1842–1914)

1989 film by Luis Puenzo

Hastur (known by the epithets The Unspeakable One, The King in Yellow, Him Who Is Not to be Named, Assatur, Xastur, '''H'aaztre, Fenric, or Kaiwan''') is an entity of the Cthulhu Mythos.

1985 novel by Carlos Fuentes