Movies related to the Cthulhu myth include: 1 The Call of Cthulhu: A fantasy novel written by HP Lovecraft and Robert E Howard was made into a 1979 movie. 2 The Cthulhu Mythos: A series of fantasy novels written by HP Lovecraft and Robert E Howard, including The Call of Cthulhu and The Cthulhu Mythos, which have been made into many movies. 3 The Cthulhu Mythos: A Movie Guide: A book written by fantasy authors such as HP Lovecraft that introduced the Cthulhu Mythos and related movies and television shows. 4 The Cthulhu Mythos: A New Age: A fantasy novel written by HP Lovecraft and Robert E Howard was made into a 1980 movie. 5 The Dark Specter: A fantasy novel written by HP Lovecraft and Robert E Howard was made into a 1978 movie. These movies covered many of the Cthulhu myths 'topics and forms, including novels, movies, TV series, games, and so on.