Hercule Poirot sort of obsessive-compulsive" in Poirot. As mentioned in "Curtain" and "The Clocks", he is fond of classical music, particularly Mozart and Bach. In "The Mysterious Affair at Styles", Poirot operates as a fairly conventional, clue-based and logical detective; reflected in his vocabulary by two common phrases: his use of "the little grey cells" and "order and method". Hastings is irritated by the fact that Poirot sometimes conceals important details of his plans, as in "The Big Four". In this novel, Hastings is kept in the dark throughout the climax. This aspect of Poirot is less evident in the later novels,
Hercule Poirot (and poses as) an identical twin brother named Achille: however, this brother was mentioned again in "The Labours of Hercules". To this day Harold is not quite sure what made him suddenly pour out the whole story to a little man to whom he had only spoken a few minutes before. Poirot is also willing to appear more foreign or vain in an effort to make people underestimate him. He admits as much: It is true that I can speak the exact, the idiomatic English. But, my friend, to speak the broken English is an enormous asset. It leads people