The Stamp Demons were creatures created by the demon trickster Dagon, each having a limited amount of intelligence and free will.
Powers and Abilities
The Stamp Demons all had unique powers and abilities similar to their real life counterparts.
History
After being sent to Tokyo by Muzan, Dagon under the guise of a story teller began to give out stamps, each with a unique demonic design to children, then at night the demons would emerge and either cause the children to go into hysterics, insane or commit suicide. Thankfully the Stamp Demons all dissapear when Devilman slays Dagon.