Igglybuff
The Balloon Pokémon
Type: Normal/Fairy
Official Registration #: 174
Entry: Igglybuff are known for their soft, pliable bodies that have a tendency to bounce continuously if made to roll. At this point, the writer would like to note that the field of pokémonology is both a fascinating and strange place, and the experiments that are implied to have been undertaken in order to find this out about igglybuff should be evidence of that fact.
Jigglypuff
The Balloon Pokémon
Type: Normal/Fairy
Official Registration #: 39
Entry: The evolved form of igglybuff, as a result of a heightened sense of happiness. According to the latest update of the pokédex, a jigglypuff’s vocal cords allow it to adjust the wavelengths of its lullabies to generate the precise tunes that would make their opponents the drowsiest. This theory, of course, conveniently does not take into consideration the possibility of multiple targets. Although that seems like a minor issue for anyone who is not a researcher, this became a bit of a problem during the Hoennian Jigglypuff Population Explosion of 2014, wherein hundreds of trainers relying on the pokédex found themselves waking up in fields a day later with jigglypuff pictograms scrawled across their faces with whatever writing implements they happened to unfortunately be carrying at the time.
Wigglytuff
The Balloon Pokémon
Type: Normal/Fairy
Official Registration #: 40
Entry: The evolved form of jigglypuff, by exposure to moon stone. Wigglytuff is a three-foot-tall rabbit-like pokémon with pink, velvety fur; large, watery eyes; a rubbery body that it inflates when threatened; and a singing voice known for lulling even the most hardcore night owls to sleep. Interestingly enough, this list of traits has made wigglytuff a popular pokémon among at least twelve different subcultures on the internet. Not that this writer would know anything about those kinds of subcultures.
The Pokédex According to Bill 