Adrian Mole Doreen Slater, whom Adrian privately refers to as "Stick Insect". Brett makes a reappearance in the later books as a successful yet unpleasant businessman who loses his fortune during the credit crunch. Doreen is killed off in "Prostrate Years". Pauline temporarily marries her younger lodger Martin Muffet, who eventually leaves her for Adrian's girlfriend Bianca Dartington, giving Adrian and his mother a shared heartbreak. Later, George and Pauline effect a partner swap with Ivan and Tania Braithwaite (parents of Pandora), only to reunite after Ivan's untimely death. Adrian's half-sister, Rosie Germaine Mole (after feminist Germaine Greer), grows up to be
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