Holmes is a fictional detective created by author Arthur Conan Doyle. He is known for his keen observation skills, logical reasoning, and use of forensic science to solve complex cases. Holmes often works alongside his friend and chronicler, Dr. John Watson, who narrates many of their adventures. Set in Victorian London, Holmes resides at 221B Baker Street, where he receives clients seeking his expertise. The character has appeared in numerous stories, films, and adaptations, making him one of the most famous detectives in literature. His methods and personality have influenced the detective genre significantly.