Sherlock HolmesONE OF A KIND ORIGINAL ART Sherlock Holmes is a fictional character created by British author and physician Sir Arthur Conan Doyle. A London based "consulting detective" whose abilities border on the fantastic, Holmes is known for his astute logical reasoning, his ability to adopt almost any disguise, and his use of forensic science to solve difficult cases. Sherlock Holmes, Hanging Ornament, collectible fictional character, private detective, Sir