Mungojerrie and Rumpleteazer are the two tricksters of the clan. They're identical twins who love to play pranks on the family they live with. It's suggested that they've worked some for Macavity. They're a playful duo still kittens at heart. They could possibly be eachother's mates or they could not have a known mate.

Mungojerrie and Rumpleteazer are black white and orange striped. They're probably around the human age of 22.