Captain Haddock oeuvre", it is inspired by the German French-language film "Captain Craddock". In "The Crab with the Golden Claws", Haddock sings one of the film songs, "Les gars de la Marine". At the time of Captain Haddock's introduction to the series in 1940, the character's manners presented a problem to Hergé. As a sailor, Haddock would need to have a very colourful vocabulary, but Hergé could not use any swear words as he knew his audience included children. The solution reportedly came when Hergé recalled how around 1933, shortly after the Four-Power Pact had come into being, he had overheard a
SS Belgian Captain Scotia. Convoy HX 254 departed New York on 27 August 1943 and arrived at Liverpool on 12 September. "Belgian Captain" was carrying a cargo of steel and lumber bound for Sunderland. There were complaints from other ships in the convoy that "Belgian Captain" did not repeat flag signals, despite orders to all ships to do so. Convoy ON 206 departed Liverpool on 11 October 1943 bound for New York. Convoy ON 291 departed Southend-on-Sea, Essex on 17 March 1945 bound for New York. In 1946, "Belgian Captain" was sold to Compagnie Maritime Belge SA and was renamed "Capitain Lambe". Her