There is a fantastic realm in Greek mythology where eerily creatures and monsters live their own lives. They are born and die in special ways and live to torment and challenge the lives of mortals and Gods! The monsters of Greek mythology are non-existent creatures, unreal, created entirely by the ruthless human imagination. Each monster usually combines some realistic elements of various existing creatures and other imaginary characteristics; they usually appear in secondary roles in Greek myths; being an obstacle to great heroes that they need to overcome or, less often, coming to their aid. Here is an almost exhaustive list and description of the Greek mythology monsters