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: The Secret of the Unicorn (video game) walkways under the ceiling and finds that one of Haddock's old crewmen has gotten the miniature ship. Haddock reveals himself to Sakharine and challenges him to a fight. Chaos ensues on the stage and walkways. They fight across the stage, much to the surprise of Ben Salaad and the audience. Tintin defeats Sakharine's crew, and jumps off the walkway down onto the stage to help Haddock. Snowy pursues Sakharine's pet crow and holds on to its feet, getting the miniature ship in the process. Sakharine attempts to kill Tintin, but Haddock hits him in the head, knocking him unconscious. Tintin,