 Despite the fact they had been friends since their first day at Unseen University, Ridcully cannot decide what to call the Dean and eventually remembers his name is Henry (over 'Archchancellor', because that 'was out of the question', 'Dean' was 'too obvious an insult', 'Two Chairs' was 'ditto with knobs on' and 'ungrateful, backstabbing, slimy bastard' took too long to say.