It is unclear how Chad gained widespread popularity or became conflated with Kilroy. It was, however, widely in use by the late part of the war and in the immediate post-war years, with slogans ranging from the simple "What, no bread?" or "Wot, no char?" to the plaintive; one sighting was on the side of a British 1st Airborne Division glider in Operation Market Garden with the complaint "Wot, no engines?"