1. Sherlock Holmes often said "Elementary, my dear Watson."

2. Sherlock Holmes lived in London.

3. The first Sherlock Holmes story was "The Hound of the Baskervilles."

4. Sherlock Holmes was modeled on a real person.

5. Sherlock Holmes is the narrator of the Sherlock Holmes stories.

6. Sherlock Holmes’s chief foe is The Riddler.