The Adventures of Tintin (TV series) slightly downplayed and he scolded his dog Snowy less often than he did in the books. Twice in the series, Tintin is portrayed as knowing various characters already (Thomson and Thompson and Allan in "Cigars of the Pharaoh" and Piotr Skut in "The Red Sea Sharks"), when it was the first time they had met in the book version. On these occasions Tintin had already interacted with these characters in the TV series, as stories were shown in a sequence different from the books. Haddock's penchant for whiskey posed a problem for audience sensitivities. While the original books did not
Tintin and the Picaros on the inclusion of the CND peace symbol, Hergé stated that for Tintin, "That's normal. Tintin is a pacifist, he was always anti-war." Hergé also changed the behaviour of several characters in the story, for instance by depicting Tintin practising yoga and Nestor the butler both eavesdropping and drinking Haddock's whisky. Another new development that Hergé added to the story was Haddock's first name, Archibald. Hergé's depiction of the San Theodoran carnival was drawn largely from images of the Nice Carnival. Among the revelers, he included those dressed in the costumes of various different cartoon and film characters, such as