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);
N or M? accident of typography that "nomina" came to be represented by "m". The novel is the first to feature the mature versions of her detectives Tommy and Tuppence, whose previous appearances had been in the adventure "The Secret Adversary" (1922) and the short story collection "Partners in Crime" (1929). After the outbreak of the Second World War and many years after they worked for British intelligence, middleaged Tommy and Tuppence Beresford feel useless and sidelined. Then Tommy is approached by a secret agent named Grant to go undercover once more. Grant tries to find German spies and fifth columnists but is