Pauline Mole sure' that Adrian is George's; she was friendly with a maggot farmer, Ernie, before Adrian was born. Pauline leaves George twice afterwards – both times she gets married. The first time was to an engineer, Martin Muffet, despite him being twenty-seven years younger than Pauline. She divorced him when he eloped with Adrian's girlfriend Bianca Dartington, also an engineer. She remarries George, and divorces him later. She marries Ivan Braithwaite, the father of Pandora, the Ashby-de-la-Zouch Labour representative, whilst George marries Pandora's mother, Tania. It became known as 'The Great Mole/Braithwaite Parent Swap'. After Ivan dies from drowning, George leaves
The Big Bubble: Part Four of the Mole Trilogy on continuing the idea. "The Big Bubble" is similar to "The Tunes of Two Cities", as it focuses on the music within the Mole culture. In this case, the album presents some songs by a fictional band called The Big Bubble. The band forefronts the Zenkinite movement, the Zenkinites being a crossbreed of the Moles and Chubs which were introduced in "Mark of the Mole". The band breaks the law by singing in the banned Mohelmot language. The four models portraying the Big Bubble on the cover have never been identified. Despite rumors, the Residents claim that they themselves are