Traditional investigator whose procedural methods complement Poirot's unconventional deductions.
Japp represents conventional police methodology, contrasting with Poirot's psychological approach.
Senior police officials who collaborate on major investigations requiring external consultation.
Both serve in senior police capacities, coordinating on high-profile cases that require specialized expertise.
Fellow investigators who maintain polite, work-focused interactions during shared cases.
Hastings interacts with Japp during joint investigations, maintaining a cordial professional distance.
Explore the full interactive character relationship map of Agatha Christie's Poirot