Dr. Watson is a fictional character created by author Arthur Conan Doyle as the loyal companion of the famous detective Sherlock Holmes. He is often portrayed as a medical doctor and serves as the narrator of many of the stories. Dr. Watson's character provides a relatable perspective for readers, as he often finds himself amazed by Holmes's brilliant deductions. In the stories, Dr. Watson assists Holmes in solving various mysteries, using his medical knowledge and practical skills. He is characterized by his loyalty, bravery, and a strong sense of morality. Together, they form one of literature's most iconic detective duos, captivating audiences for over a century.