What they adored most of all, however, was the sheer blaze of his glamour. He might be prematurely balding, and possessed of large feet and his father’s spindly legs, yet Caligula knew how to thrill a crowd. The Roman people were bored of grim old men. Now at last they had an emperor who seemed to glory in living the dream. That summer, opening a new temple to Augustus, Caligula rode to the inauguration in a gilded triumphal chariot. Six horses pulled him. ‘This,’ so it was noted, ‘was something wholly cutting edge.’

