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".
The Adventures of Tintin (TV series) promote alcohol, they featured it heavily, with much humor based around it and the results of drinking. However, in many countries where the producers hoped to sell the series, alcoholism was a sensitive issue. Therefore, international versions of the series had some alterations. Specifically, Haddock is often seen drinking, but not as heavily as in the books. "The Crab with the Golden Claws" is the only adventure where Haddock's drunken state is not downplayed. In "Tintin in Tibet", Haddock is seen taking a sip from a whiskey flask in order to set up a scene in which Snowy is tempted