Sherlock Holmes is a consulting detective residing at 221B Baker Street, London. He is known for his keen powers of deduction, logical reasoning, and knowledge of forensic science. Holmes often displays a calm, rational, and somewhat arrogant demeanor, with a strong preference for the truth over emotion. His best friend and chronicler is Dr. John Watson, with whom he shares a profound friendship. He has a few known rivals, including Professor Moriarty, who is one of his most formidable foes. Holmes' habits include playing the violin, conducting chemical experiments, and smoking a pipe. He can be both witty and ruthless in his pursuit of criminals, often demonstrating a significant lack of patience for fools or those who obstruct his work.