C. Auguste Dupin discussing Dupin's method in the light of Charles Sanders Peirce's logic of making good guesses or "abductive reasoning," Nancy Harrowitz first quotes Poe's definition of analysis and then shows how "Poe the semiotician is running the gamut of possibilities here—inferences, reasoning backwards, visual, sensual and aural signs, reading faces. Playing cards with the man would have been an interesting experience." There is considerable controversy about the philosophical nature of Dupin's method. According to biographer Joseph Krutch, Dupin is portrayed as a dehumanized thinking machine, a man whose sole interest is in pure logic. However, Krutch has been accused elsewhere of
C. Auguste Dupin several people confuse the two on first sight. Dupin makes a guest appearance in the first two issues of Alan Moore's "The League of Extraordinary Gentlemen, Volume I" (1999) comic book, helping to track down and subdue the monstrous Mr Hyde (who is living secretly in Paris after faking the death described in "The Strange Case of Dr Jekyll and Mr Hyde"). Dupin teams up with the Count of Monte-Cristo to fight "Les Habits Noirs" in the story "The Kind-Hearted Torturer" by John Peel published in the anthology Tales of the Shadowmen, Volume 1 (2005) The search for the "real