Captain Haddock since creating Tintin." Sales of the volume in which Haddock was introduced indicated the character was well received. After a fairly serious role in "The Shooting Star", where he has risen to become the President of the Society of Sober Sailors (replete with a cabin full of rum), Haddock takes a more central role in the next adventure, split over two books, "The Secret of the Unicorn" and "Red Rackham's Treasure"— indeed, his family history drives the plot. Upon locating the treasure, the newly wealthy Haddock retires. Hergé built the next adventure around Haddock, furnishing the character with an ancestral
Haddock are in the North Sea, off the Faroe Islands, off Iceland and the coast of Norway but these are discrete populations with little interchange between them. Off North America, the haddock is found from western Greenland south to Cape Hatteras, but the main commercially fished stock occurs from Cape Cod and the Grand Banks. It also occurs around Novaya Zemlya and the Barents Sea in the Arctic. The haddock is a demersal species which occurs at depths from to , although it is most frequently recorded at to . It is found over substrates made up of rock, sand, gravel