Hamelin demon

Hamelin demon was a symbiotic creature who traps its victims within its dimension, with illusions based on the individual child's dream.

History
A Hamelin demon infested a building in Tenderloin, San Francisco, and, targeting children on the verge of losing their childhood, made 25 children disappear in a span of three decades. When the Scoobies went to exorcise what they believed to be a haunting, the demon trapped until they in an illusion based on their respective child's dreams. They were able to free themselves and the missing children by refusing the reality the demon created.

Behind the Scenes

 * Hamelin's name is based on the tale of the Pied Piper of Hamelin, which tragically ends with the piper attracting children away from the city.

Appearances

 * I Wish, Part One