Didi, the sister of the two nominees and a resident of Cincinnati, is in charge of rodent intelligence for the campaign. It is her job to infiltate human political campaigns and to advise the HFP planning committee on the locations of traps and poisons and other deadly anti-rodent devices.

After their election, Diddley and Bupkes plan to made Didi the head of HamLand Security, which shall have as its primary mission the development of new safety standards for rodent cages. Having lost a very dear sister in a cage escape, she brings to the job a keen awareness of the need for security.