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".
Tintin and the Lake of Sharks Nouchka free for the device, but, unaware of Tintin's arrival, the children escape from their cell and hijack an underwater tank. Rastapopoulos takes over control of the tank with his computer, but he then notices Captain Haddock's sub on his monitor and uses the tank to fire torpedoes at Haddock, which provokes a fight between Tintin and the other gangsters as he attempts to stop Rastapopoulos. Haddock's mini-sub is hit, jamming its propulsion, and the tank is returned to the base by remote control. While waiting for the children to return, Rastapopoulos takes Tintin to his office and shows him