Cthulhu ( pronounced kuh-THOO-loo or kuh-loo-oo ) is a fictional monster created by the horror writer H. P. Lovecraft . Cthulhu is a god-like being from another planet , and it ( Cthulhu is neither male nor female ) is supposedly very ancient . After its first appearance in `` The Call of Cthulhu '' , Cthulhu makes a few minor appearances in other Lovecraft stories .