Tommy and Tuppence Tommy and Tuppence Tommy and Tuppence are two fictional detectives, recurring characters in the work of Agatha Christie. Their full names are Thomas Beresford and his wife Prudence (née Cowley). The first time Tommy and Tuppence appeared in a Christie novel was in "The Secret Adversary" (1922). They started out their career in a search of adventure and money, and the detecting life soon proved profitable and very exciting. Tommy and Tuppence appear together in four full-length novels and one collection of short stories The collection of short stories is "Partners in Crime", (1929, each story referencing another writer's work);
Tommy and Tuppence flavour than the stories featuring the better known Christie characters. As they age, they are revealed to have raised three children – twins Deborah and Derek and an adopted daughter, Betty. Throughout the series they employ a man named Albert, who first appears as a lift boy who helps them in "The Secret Adversary". In "Partners in Crime," Albert becomes their hapless assistant at a private detective agency; and subsequently, as a now married pub owner, renders vital assistance to the pair in "N or M?."; by "Postern of Fate" he's their butler and has now been widowed. In "Postern