 Cigars of the Pharaoh saw the introduction of several characters who would gain a recurring role in The Adventures of Tintin . The most notable are the two detectives , who were initially called " Agent X33 and Agent X33 bis . " In his 1941 Tintin play co @-@ written with Jacques Van Melkebeke , Tintin in India : The Mystery of the Blue Diamond , Hergé named them " Durant and Durand , " although he later renamed them " Dupont and Dupond . " The series ' English @-@ language translators , Michael Turner and Leslie Lonsdale @-@ Cooper , renamed them " Thomson and Thompson . " They were based on a combination of the stereotypical Belgian policeman of the 1930s with Hergé 's observations of his father and uncle , Alexis and Léon Remi . 
