The Kitten Catastrophe Crew are a villainous faction owned and lead by Mayor Humdinger. They are considered villains and the PAW Patrol's enemies, even though they helped clean up their mess at the end of "Pups and the Mischievous Kittens". In "Pup-Fu!", it is shown that they have a secret lair built into the rocks on Foggy Bottom's shoreline and are based in the town of Foggy Bottom where Humdinger serves as Mayor. The lair has a computer monitor which Mayor Humdinger can use to spy on Mayor Goodway, Ryder, and the PAW Patrol.
The Kitten Catastrophe Crew has the following members: