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 newspaper (The Twentieth Century). The success of the series saw the serialised strips published in Belgium's leading newspaper (The Evening) and spun into a successful "Tintin" magazine. In 1950, Hergé created Studios Hergé, which produced the canonical versions of ten "Tintin" albums. The series is set during a largely realistic 20th century. Its hero is Tintin, a courageous young Belgian reporter and adventurer. He is aided by his faithful dog Snowy ( in the original French edition). Other protagonists include the brash and cynical Captain Haddock and the intelligent but hearing-impaired Professor Calculus (), as well as the incompetent detectives