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 In later volumes he is clearly retired. Throughout it all, the Captain's coarse humanity and sarcasm act as a counterpoint to Tintin's often implausible heroism. He is always quick with a dry comment whenever the boy reporter gets too idealistic. Until Haddock's introduction, Tintin's constantly positive, optimistic perspective was offset by his faithful companion Snowy. Before Haddock, Snowy was the source of all dry and cynical side-commentary for the series. Hergé, however, realised Haddock's potential as a foil to Tintin. After he brought Haddock into the series, the Captain took over the role of the cynic, relieving Snowy, and establishing