 In "The Last Continent", he was nicknamed ""Two Chairs"" by Ridcully, on the basis that he was the only person able to sit on two chairs at once.In "Hogfather", Ridcully is impressed by Hex, the UU "computer", and asks if there is any chance they could fit a similar one in the Dean's head.Ponder Stibbons then informs him that the resulting brain would weigh ten tons, upon which Ridcully merely remarks "Really?