The narrator of "The Tell-Tale Heart" is Montresor, who is driven to murder his friend Fortunato out of a perceived insult.

The main character in "The Cask of Amontillado" is Fortunato, who is lured to his death by his friend Montresor.

The protagonist of "The Fall of the House of Usher" is Roderick Usher, the last of his family line.

The narrator of "William Wilson" is the titular character, who is haunted by a doppelganger.

The main character in "The Masque of the Red Death" is Prince Prospero, who hosts a masquerade ball in an attempt to escape the Red Death.

The protagonist of "The Purloined Letter" is C. Auguste Dupin, a private detective who is called in to solve the mystery of a stolen letter.

The main character in "The Murders in the Rue Morgue" is C. Auguste Dupin, a private detective who is called in to solve the mystery of a double murder.

The protagonist of "The Gold-Bug" is William Legrand, a man who becomes obsessed with finding a hidden treasure.

The main character in "The Black Cat" is the unnamed narrator, who tells the story of his descent into madness and murder.

The protagonist of "The Tell-Tale Heart" is the unnamed narrator, who confesses to murdering an old man.

The main character in "The Cask of Amontillado" is Montresor, who seeks revenge on his friend Fortunato.

The protagonist of "The Fall of the House of Usher" is the unnamed narrator, who visits Roderick Usher and his sister Madeline.

The main character in "William Wilson" is the titular character, who is haunted by a doppelganger.

The protagonist of "The Masque of the Red Death" is Prince Prospero, who hosts a masquerade ball in an attempt to escape the Red Death.

The main character in "The Purloined Letter" is C. Auguste Dupin, a private detective who is called in to solve the mystery of a stolen letter.