Bernard Grubb is a pie magnate and the main antagonist of Wallace & Gromit: The Big Fix Up. He is the CEO of pie manufacturer Grubb's Pies and host of TV show Fat Cats. He recently ran for mayor of Bristol, contracting Wallace and Gromit's new venture, Spick & Spanners, to clean up Bristol as part of his campaign.
However, he secretly hated Wallace for the death of his ex-wife Piella Bakewell and planned to hijack his contraptions to influence public opinion against him as an act of revenge, but his plan was foiled by his own former assistant, Lily Hackerby who was secretly working against him along with Clarissa Kent, got arrested and disqualified from the mayoral race. But in the end after his arrest, he somehow hacked into BERYL and he may also escaped from prison planning on a new act of revenge against Wallace.