Sherlock Holmes is a fictional DETECTIVE created by author Sir Arthur Conan Doyle. He is the protagonist of Doyle's series of DETECTIVE stories and is widely considered to be one of the greatest and most recognizable literary characters of all time. He is known for his deductive reasoning and observational skills, which he uses to solve difficult cases. He is also known for his use of disguises and his ability to blend into any environment. Sherlock Holmes, for one, is a nine-letter phrase that describes this iconic character.