The Adventures of Tintin partially deaf physicist and a regular character alongside Tintin, Snowy, and Captain Haddock. He was introduced in "Red Rackham's Treasure", and based partially on Auguste Piccard, a Swiss physicist. The leading characters do not initially welcome his presence, but through his generous nature and his scientific ability, he develops a lasting bond with them. Eventually, by the end of "Land of Black Gold", he becomes a resident of Marlinspike Hall. Normally mild-mannered and dignified, Calculus occasionally loses his temper and acts in a spectacularly aggressive manner in response to actual or perceived insults, such as when Captain Haddock belittles his
The Adventures of Tintin nearly let Tintin down on occasion, particularly when distracted by a bone. Like Captain Haddock, he is fond of Loch Lomond brand Scotch whisky, and his occasional bouts of drinking tend to get him into trouble. When not distracted, Snowy is generally fearless, his only fear being arachnophobia. When Tintin gets tied up by villains (which often happens), Snowy is usually able to free him by gnawing through the rope. Captain Archibald Haddock ("Capitaine Haddock" in Hergé's original version) is a Merchant Marine sea captain and Tintin's best friend. Introduced in "The Crab with the Golden Claws", Haddock is initially