The Secret of the Unicorn Rackham's looks and costumes were also inspired by the character, Lerouge, who appears in C. S. Forester's novel, "The Captain from Connecticut", and by the 17th-century French buccaneer Daniel Montbars. The name of Marlinspike Hall— in French—was based upon the name of the real Belgian town, Sart-Moulin. The actual design of the building was based upon the Château de Cheverny, albeit with the two outer wings removed. In introducing Francis Haddock to the story, Hergé made Captain Haddock the only character in the series (except Jolyon Wagg, introduced later) to have a family and an ancestry. "The Secret of the
Tintin and the Blue Oranges tails as a distraction, Tintin & Haddock find a radio identical to Fernando's in Esposito's room, proving his involvement. Haddock's decision to drink Esposito's whisky accidentally leads them to discover Zalamea's secret documents, and his own suspicions about the identity of his enemies. Back at the villains' hideout, the Professors manage to make a broadcast describing their whereabouts. Esposito hears the broadcast and races off to inform his boss. Luckily, Tintin & Haddock also hear the broadcast and set off in hot pursuit. After a brief struggle, Esposito is overcome but the Professors are nowhere to be found—kidnapped again! The