Minor Sherlock Holmes characters a character called Wiggins (played by Graham Armitage) who is a footman at the Diogenes Club. He delivers a note to Mycroft Holmes (played by Christopher Lee) and receives instructions concerning various items. The character, credited as "Bill Wiggins", also appears in the series three finale of "Sherlock" portrayed by Tom Brooke as a drug user who actually demonstrates the beginning of Sherlock's deductive skills, and later appoints himself a "pupil" of Sherlock's. Some fictional characters associated with Sherlock Holmes are not part of the Conan Doyle canon and were created by other writers. Auguste Lupa is the son of
The Adventure of Sherlock Holmes' Smarter Brother accompanied by a disguised Sherlock and Watson. Wilder was having lunch with producer Roth when it was suggested that Wilder spoof Sherlock Holmes. Roth approached Wilder again a week later and inquired if Wilder had given any more thought to the idea of a Sherlock Holmes film. Wilder replied "No, but I have given a great deal of thought to Sherlock's insanely jealous brother Sigi." In his autobiography, Wilder explained that he was further motivated by the experience of working with his "Young Frankenstein" co-stars Madeline Kahn and Marty Feldman and he wanted to write parts for both of them