|Creator:||H.P. Lovecraft, many others|
|Date(s):||from the 1920s on|
|Country of Origin:|
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Cthulhu Mythos is a literary shared universe started by the horror writer H.P. Lovecraft and further developed by other authors during his lifetime and after his death. The Cthulhu character has become a popular figure with many unaware of the works which it originated from.