Doctor John Watson is a character created by Arthur Conan Doyle. He is Sherlock Holmes' sidekick and best friend. He is a gifted medic and detective. His arch-nemesis is Professor Moriarty. Add a photo to this gallery Retrieved from "https://warner-bros-characters.fandom.com/wiki/Doctor_John_Watson?oldid=10968" Categories: Live action characters Animated characters Sherlock Holmes characters Batman: The Brave and the Bold characters Tom and Jerry characters Heroes Sidekicks Doctors Medics Detectives British characters European characters Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.