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
Tintin and the Golden Fleece wine which Paparanic gave him while visiting him last Christmas, and told him to drink after his death. On the way down from the mountain, Haddock accidentally breaks the bottle, the label of which turns out to be that of a map, obviously showing the location of Paparanic's gold. Tintin and Haddock return to the Golden Fleece, where they discover that they have been joined by their friend Professor Cuthbert Calculus. Secretly, Yefima drains the oil out of the engines in order to prevent the ship from leaving port but Tintin discovers him, and after Tintin throws him overboard he