Fictional character created by Sir Arthur Conan Doyle
Sherlock Holmes () is a fictional detective created by British author Arthur Conan Doyle. Referring to himself as a "consulting detective" in his stories, Holmes is known for his proficiency with observation, deduction, forensic science and logical reasoning that borders on the fantastic, which he employs when investigating cases for a wide variety of clients, including Scotland Yard. The character Sherlock Holmes first appeared in print in 1887's A Study in Scarlet.
https://en.wikipedia.org/wiki/Sherlock_Holmes