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
Captain Haddock Captain Haddock Captain Archibald Haddock () is a fictional character in "The Adventures of Tintin", the comics series by Belgian cartoonist Hergé. He is Tintin's best friend, a seafaring pipe-smoking Merchant Marine Captain. Haddock is initially depicted as a weak and alcoholic character under the control of his treacherous first mate Allan, who keeps him drunk and runs his freighter. He regains his command and his dignity, even rising to president of the Society of Sober Sailors ("The Shooting Star"), but never gives up his love for rum and whisky, especially Loch Lomond, until the final Tintin adventure, "Tintin and