Mr. Flotsam and Mr. Jetsam were an Anglo-Australian musical comedy duo of the 1920s and 1930s. Mr. Flotsam's real name was Bentley Collingwood Hilliam (1890–1968) and Mr. Jetsam's real name was Malcolm McEachern (1883–1945). Hilliam wrote most of their songs, played the piano and sang in a light, high tenor voice. By contrast, McEachern had...