As all you Harry Potter lovers know, Pygmy Puffs were bred by the amazing Weasley Twins, Fred and George. They bred them for pleasure, fun and pranks. They sold them at their joke shop and made large amounts of money because the Pygmy Puff was a large success.
Pygmy Puffs are smaller versions of Puffskien.
(See below image)Puffskien are adorable but people found it hard to carry them places so Fred and George came up with a better idea. Pygmy Puffs!