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
The Secret of the Unicorn and in doing so "deals with the meanings of symbolic relations within personal life". Discussing the character of Sir Francis Haddock, he states that this ancestral figure resembles both Tintin and Haddock, "the foundling and the bastard", thus making the duo brothers as well as close friends. He adds that when Captain Haddock reenacts his ancestor's fight with Rackham, he adopts his "very soul, his "mana", and is transformed in the process." Apostolidès also discusses Red Rackham, noting that the name "Red" conjures up "the forbidden colour of blood and wine" while "Rackham" combines "raca" ("false brother") with the French