C. Auguste Dupin prefect "G", who appears in all three stories seeking his counsel. In "The Murders in the Rue Morgue", Dupin investigates the murder of a mother and daughter in Paris. He investigates another murder in "The Mystery of Marie Rogêt". This story was based on the true story of Mary Rogers, a saleswoman at a cigar store in Manhattan whose body was found floating in the Hudson River in 1841. Dupin's final appearance, in "The Purloined Letter", features an investigation of a letter stolen from the French queen. Poe called this story "perhaps, the best of my tales of ratiocination". Throughout
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