👉 Sherlock is a fictional character created by author Arthur Conan Doyle. He first appeared in Sir Arthur Conan Doyle's short story "The Adventure of the Hound of the Baskervilles" and was later featured in more than 20 books, novels, and stories throughout his career. Sherlock is known for his wit, charm, and ability to solve crimes that ordinary people can't, as well as his reputation as a mysterious and elusive figure who has never been seen or heard from again.