Captain Haddock home, Marlinspike Hall (or "Moulinsart" in the original French). Harry Thompson, author of "Tintin: Hergé and his creation", writes that the introduction of this large and luxurious country house was "to provide a suitable ancestral home for Tintin and himself to move into." To achieve this in terms of the plot, Hergé also details Haddock's ancestry, something Thompson regards as distinctive: "Haddock is the only regular character whose relatives turn up in the Tintin stories at all (if one discounts Jolyon Wagg and his dreadful family)." As Haddock's role grew, Hergé expanded his character, basing him upon aspects of friends,
The Adventures of Tintin: The Secret of the Unicorn (video game) brings them to Haddock, who agrees to tell Tintin the story of his ancestor. The "Unicorn" was an enormous galleon that transported goods from various places to Europe. When it was attacked by Red Rackham, it was carrying gold, coins, diamonds and other precious treasure, which Rackham had hoped to steal. However, as Haddock re-enacts the sword fighting of his ancestor, he destroys some electric cables, setting fire to the cabin, which ultimately causes the ship to sink. Tintin, Snowy and Haddock manage to escape and climb onto a seaplane. The game then picks up where the first scene left