The Adventures of Tintin (film) location of Marlinspike Hall, Tintin and Haddock find there some of the treasure and a clue to the "Unicorn"s location. Both men agree on setting up an expedition to find the shipwreck. Spielberg has been an avid fan of "The Adventures of Tintin" comic book series since 1981, when a review compared "Raiders of the Lost Ark" to Tintin. Meanwhile, the comics' creator, Hergé—who didn't like the previous live-action film versions and the animated series—became a fan of Spielberg. Michael Farr, author of "Tintin: The Complete Companion", recalled Hergé "thought Spielberg was the only person who could ever do Tintin
Captain Haddock the time of their last completed and published adventure, "Tintin and the Picaros", Haddock had become such an important figure that he dominates much of the story. Captain (Archibald) Haddock's ancestor, Sir Francis Haddock, is hinted at being the illegitimate son of the French Sun King (Louis XIV), a possible reference to Hergé's own family history— Hergé liked to believe that his father was the illegitimate son of the Belgian king Leopold II. As Hergé was considering names for his new character, he asked his wife, Germaine, what she had cooked for dinner. She told him, “a sad English fish—haddock.”