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 Picaros to go alone. Once there, the Captain and Professor are taken to a rural villa, where they are closely monitored by the security services. Tintin joins his friends a few days later, where he points out to Haddock and Calculus that their villa is bugged. He recognises one of the staff as Pablo, a man who had saved his life in "The Broken Ear". From Pablo, Tintin learns that the entire scenario is a plot organised by Colonel Sponsz, a figure in the Bordurian military who is assisting Tapioca's government in order to gain revenge against Tintin for the events