The famous detective character created by Arthur Conan Doyle is Sherlock Holmes. First appearing in "A Study in Scarlet" in 1887, Holmes is known for his exceptional observational skills and logical reasoning, often solving complex cases that baffle Scotland Yard. Alongside his friend Dr. John Watson, Holmes has become an enduring symbol of detective fiction, inspiring countless adaptations in literature, film, and television. His methods of deduction and keen attention to detail have significantly influenced the genre and contributed to the popularity of crime-solving narratives.