Correct (over 70 actors playing the part in over 200 films)!
As a bonus, some funny stuff (imo):
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In A Study in Scarlet, Conan Doyle presents a comparison between his sleuth and two earlier, more established fictional detectives: Edgar Allan Poe's C. Auguste Dupin and Emile Gaboriau's Monsieur Lecoq. The former had first appeared in The Murders in the Rue Morgue, first published in 1841, and the latter in L'Affaire Lerouge (The Lerouge Affair) in 1866. The brief discussion between Watson and Holmes about the two characters begins with a comment by Watson:
"You remind me of Edgar Allan Poe's Dupin. I had no idea that such individuals did exist outside of stories."
Sherlock Holmes rose and lit his pipe. "No doubt you think that you are complimenting me in comparing me to Dupin," he observed. "Now, in my opinion, Dupin was a very inferior fellow. That trick of his of breaking in on his friends' thoughts with an apropos remark after a quarter of an hour's silence is really very showy and superficial. He had some analytical genius, no doubt; but he was by no means such a phenomenon as Poe appeared to imagine."
"Have you read Gaboriau's works?" I asked. "Does Lecoq come up to your idea of a detective?"
Sherlock Holmes sniffed sardonically. "Lecoq was a miserable bungler," he said, in an angry voice; "he had only one thing to recommend him, and that was his energy. That book made me positively ill. The question was how to identify an unknown prisoner. I could have done it in twenty-four hours. Lecoq took six months or so. It might be made a textbook for detectives to teach them what to avoid."
Holmes seems convinced that he is superior to both of them, while Watson expresses his admiration of the two characters. It has been suggested that this was a way for Conan Doyle to pay some respect to characters by writers who had influenced him, while insisting that his is an improvement on them. However, Holmes pulls a very Dupin-esque mindreading trick on Watson in "The Adventure of the Cardboard Box" (repeated word for word in the story, "The Resident Patient," when "The Cardboard Box" was removed from the Memoirs), and, to a lesser extent, in "The Adventure of the Dancing Men".
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