The following is a list and description of the characters of Sherlock, a British television series that started airing on BBC One in July 2010. The series is a modern adaptation of the Sherlock Holmes stories by Sir Arthur Conan Doyle and was created by Steven Moffat and Mark Gatiss.
via List of Sherlock characters – Wikipedia, the free encyclopedia.
Sherlock Homes, " The Adventure of the Speckled Band". 