This category is for the Great Old Ones.
“Cthulhu was a Great Old One that the Seventh Doctor encountered in Haiti. Cthulhu, like a number...Cthulhu
“For other meanings of "The Dark" and "The Darkness", see Dark (disambiguation). The Dark was an...The Dark (Fear of the Dark)
“Azathoth was the weakest of the Great Old Ones. The Silurians and Shobogans worshipped it as a...Azathoth