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 is run by Karabine. When Angorapoulos leaves by car Tintin, Snowy and Haddock follow him to a village out in the countryside where Angorapoulous and some accomplices kidnap a musician at a wedding. While Tintin and the Captain chase them on a motorbike, the crooks’ car is forced off the road, when it almost collides with a coach and the villains flee on foot. The kidnap victim, Scoubidouvitch (Dimos Starenios), was the fourth man in the photo. He suffers from "memory loss", but reveals that a large amount of gold is involved and suggests that Tintin and Haddock consult a