Pierro's are a violent subspecies of Fairy Cat, their colorful bodies and clownlike proportions fool people into believing that they're harmless

A Pierro's tail contains a very powerful laughing gas that can be expelled through either the mouth, nose, or the pupil of the tail bulbs eye. Inhaling this gas causes a euphoric state with no reprieve, effectively making someone die from laughing too hard

Fairy Cats have exiled Pierro's to a lone Norwegian islet which they have turned into a massive circus tent. Nobody knows what these creatures are planning to do, but we can assume that it isn't good