The Adventures of Tintin depicted as a weak and alcoholic character, but later evolves to become genuinely heroic and even a socialite after he finds a treasure from his ancestor, Sir Francis Haddock (Chevalier François de Hadoque in the original version). The Captain's coarse humanity and sarcasm act as a counterpoint to Tintin's often-implausible heroism; he is always quick with a dry comment whenever the boy reporter seems too idealistic. After he and Tintin find Red Rackham's treasure, Captain Haddock lives in the luxurious mansion Marlinspike Hall (Le château de Moulinsart in the original French). The hot-tempered Haddock uses a range of colourful insults
The Secret of the Unicorn story was adapted for the 1957 Belvision animated series, "Hergé's Adventures of Tintin", for the 1991 animated series "The Adventures of Tintin" by Ellipse and Nelvana, and for the feature film "" (2011), directed by Steven Spielberg. While browsing on the Brussels Voddenmarkt/"Marché aux puces" at the Vossenplein in the Marollen, Tintin purchases an antique model ship which he intends to give Captain Haddock. Two strangers, model ship collector Ivan Ivanovitch Sakharine and antique-scout Barnaby, independently try to persuade Tintin to sell the model to them. He also sees the two police detectives, Thomson and Thompson, on the look out