Introduction -- 1. Mythology and the Digitization of Lv̌i-Strauss -- 2. Introducing the Slender Man -- 3. The Origin of the Slender Man -- 4. The Origin of the Slender Man -- 5. Marble Hornets -- 6. Playing the Slender Man -- 7. Loving the Horror, Romancing Slender -- 8. Laughing at the Horror -- 9: A Dog, a Video Game and a Monster -- 10: The Online Hive Mind's Stories -- 11: The Slender Man's Culture -- Conclusion.