Originally posted on Writer’s Digest by Hallie Ephron.
Sir Arthur Conan Doyle gave Sherlock Holmes a full panoply of supporting characters. There was Dr. Watson, the quintessential “sidekick,” to act as a sounding board; Scottish landlady Mrs. Hudson, to cook and clean and fuss over Holmes; Scotland Yard Inspector LeStrade, to provide a foil for Holmes’ intuitive brilliance, as well as access to official investigations; the Baker Street Irregulars, to ferret out information; and Mycroft Holmes, Sherlock’s politically powerful older brother, to provide financial and strategic support. Like Doyle’s, your cast of supporting characters should reflect what your protagonist needs.
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