Sherlock Holmes is the famous fictional detective created by Arthur Conan Doyle. First appearing in "A Study in Scarlet" in 1887, Holmes is known for his keen observation skills, logical reasoning, and ability to solve complex cases. He resides at 221B Baker Street, London, where he works closely with his friend and chronicler, Dr. John Watson. Holmes' character has become iconic, inspiring numerous adaptations in literature, film, and television. His methods of deduction and his complex persona have made him a lasting figure in detective fiction, representing the archetype of the brilliant but often eccentric investigator.