The phrase may have originated through United States servicemen who would draw the picture and the text "Kilroy was here" on the walls and other places where they were stationed, encamped, or visited. An ad in Life magazine noted … 展开

The figure was initially known in the United Kingdom as "Mr Chad" and would appear with the slogan "Wot, no sugar" or a similar phrase bemoaning shortages and rationing. He often appeared with a single curling hair that resembled … 展开