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 Secret of the Unicorn The Secret of the Unicorn The Secret of the Unicorn () is the eleventh volume of "The Adventures of Tintin", the comics series by Belgian cartoonist Hergé. The story was serialised daily in , Belgium's leading francophone newspaper, from June 1942 to January 1943 amidst the German occupation of Belgium during World War II. The story revolves around young reporter Tintin, his dog Snowy, and his friend Captain Haddock, who discover a riddle left by Haddock's ancestor, the 17th century Sir Francis Haddock, which could lead them to the hidden treasure of the pirate Red Rackham. To unravel the riddle,