Taking advantage of selective science fiction texts, this essay attempts to establish a genealogical link of artificial creatures that have made human beings anxious about a future with them and show how the posthuman view of co-evolution with the creatures can be articulated in such a genealogical flow. The essay assumes that human beings desire for God`s capability of creating intelligent creatures and also worry about God`s punishment for the desire. Yet in the posthuman genealogy of artificial creatures, it is the artificial creatures, not the God, who punish the human desire for creation. This thought reflects human beings come to face a new stage of evolution, symbiotic evolution with artificial beings. The golem in Jewish legends and Frankenstein`s monster have contributed to spreading the idea that artificial creatures would be a competitor of humans in their evolution. Science fictions since the two creatures have striven to configure the direction of human evolution in terms of the competition, which would get more serious as technoscience blurs the boundary between humans and non-humans: science fictions stage the question of "what it means to be human" by foregrounding humanized machines and machinized humans. Some texts anxiously depict artificial creatures` win over humans in the evolutionary competition to warn humans against the thoughtless development of technoscience, and others suggest the co-evolution of the human and machine to affirm the impossibility of changing the evolutionary direction in our technoscience. The essay argues that the claims of superhuman witnessed in recent science fictions and cultural studies are the affirmation of the co-evolution of humans and artificial beings-or, technoscience in general. Indeed, it is the posthuman attitude toward evolution.