In "The Big Four", Agatha Christie gave him a mysterious "twin brother" named Achille
The material about Hercule Poirot's twin brother Achille in The 
Big Four... [DOC] [TLE] hercule poirot,hercule poirot,Encyclopedia_Shared ... [PAR] hercule poirot,Helkri Polo appeared in many agatha christie The Detective story 
The ... A large number of works for the protagonist to him: a total of 33 novels, 48 
short .... points: 1) Poirot in order to deal with the big four and feign death,