Final answer:
The fictional detective Hercule Poirot was created by Agatha Christie, who is a distinct character from Sherlock Holmes, another fictional detective created by Sir Arthur Conan Doyle.
Step-by-step explanation:
The character Hercule Poirot was created by the renowned British novelist Agatha Christie. Poirot is a Belgian detective known for his meticulous and logical approach to solving mysteries, often featuring in Christie's intricately plotted detective novels. While Poirot may share some similarities with Sherlock Holmes in his detective prowess, Holmes is a separate fictional detective created by another British author, Sir Arthur Conan Doyle. Doyle's Sherlock Holmes is also a legendary figure in the detective genre, noted for his remarkable observational skills and analytical reasoning.