Crypt of Cthulhu was created in 1981.
Crypt of Cthulhu ended in 2001.
Cthulhu was created in 1928.
The Mask of Cthulhu was created in 1958.
Acolytes of Cthulhu was created in 2001.
Cthulhu's Reign was created in 2010.
The Spawn of Cthulhu was created in 1971.
Pimoa cthulhu was created in 1994.
The Trail of Cthulhu was created in 1962.
The Call of Cthulhu was created in 1928-02.
Cthulhu Mythos anthology was created in 2001-07.
The Call of Cthulhu - film - was created on 2005-10-01.
Cthulhu's Dark Cults was created on 2010-05-06.