This article describes the Ancient Greek mythological characters who were attributed with murdering children: Lamia (Λάμια), Mormo (μορμώ) and Gello (γελλώ).The ssuperstitions associated with these demons remain in Greece to this day, although their images have undergone certain transformation. The object of this research is the mythological representations of the Ancient Greeks, while the subject is demons who murdered children. The goal of this article is to determine the role of children's horror stories in life of the Ancient Greek society. The author reviews the facts testifying to the existence of characters as Lamia, Mormo, Gello and Empusa in the Greek and Roman texts, as well gives characteristics to their images based on the comparative analysis. The conducted analysis reveals the common traits of the demons who murdered children: frightening appearance, combination of human and animal traits, ability to transform, identification with Hecate, as well as the story of the failed motherhood underlying the history of emergence of the demon. The key functions of these mythological characters consisted in explanation of the sudden infant and maternal mortality typical to the ancient times, as well as teaching children and adults a lesson. The first could be frightened with such stories, and the latter had to learn from the tale that demonstrates the harm of reckless following the temptations or refusal of fulfilling the prescribed social roles, socially acceptable behavior.
