Thanks. My reference was actually to a character on an American comedy show of the early 1950s who was called Kingfish who was always saying "Holy Mackerel" when something happened that he wasn't expecting. It's probably an expression that is hardly ever said now even in the U.S. I threw it in on the chance that there were some members in the U.S. or U.K. who looked at the photo who remembered the series. They like me have to be so old that they are much closer to the "grim reaper than is comfortable