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
Captain Haddock the Picaros", when Professor Calculus 'cures' him of his taste for alcohol. In the adventure "Secret of the Unicorn" (and continuing in "Red Rackham's Treasure") he and Tintin travel to find a pirate's treasure captured by his ancestor, Sir Francis Haddock (François de Hadoque in French). With newfound wealth and regaining his ancestral home Marlinspike Hall, Captain Haddock becomes a socialite; riding a horse, wearing a monocle, and sitting in a theatre box seat ("The Seven Crystal Balls"). He then evolves to become genuinely heroic, volunteering to sacrifice his life to save Tintin's own in the pivotal "Tintin in Tibet".