Poupelle is the titular character of the anime film 'Entotsu Machi no Poupelle' (Poupelle of Chimney Town). He is a mysterious and gentle-hearted garbage man who comes to life in a town enveloped in smoke and soot from its many chimneys. Despite being made of trash, Poupelle possesses a kind and compassionate nature that endears him to the town's children, particularly a boy named Lubicchi. His journey is one of self-discovery and friendship, as he helps Lubicchi uncover the truth about the world beyond the smoke-covered city.