Infantile stories, fables, fairy tales, and such characters as Mickey Mouse and Donald Duck reveal how easily an animal becomes a hero. In the metamorphosis the switch between animal-man produces a sinister element, an undefinable, severely unpleasant feeling. The sinister elements related to the repression of the castration complex, the familiar which has been handled (animism), the perception of the 'double', the need to repeat in a compulsive way, and the infantile fears about loneliness and darkness are all condensed in Kafka's stories. It is postulated that as a defense the ego which feels impotent in the presence of a magic, primitive, chaotic, and terrifying world has the need to repeat the infantile situation. The defense, mind and body, is a specific dissociation, defending against a total dissolution by creating the shell of a body and also protecting the body against all these terrifying unconscious fantasies. In the story, by the return of the repressed, the author managed to gratify the fantasy and at the same time had no need to abandon the defense mechanism.