She is often quick to criticize her son , much to Bob 's chagrin , despite her accusations typically being true .
Despite her son owning the Hotel Tazmania , Mum is the true backbone of the establishment .
Mum is often quick to criticize Mum 's son , much to Bob 's chagrin , despite her accusations typically being true .
Despite her son owning the Hotel Tazmania , Mum is the true backbone of the establishment .