Heart of Darkness &The Secret Sharer Joseph Conrad Heart of Darkness &The Secret Sharer
Doppelganger “A ghostly counterpart or double of a living person”
The Double A device whereby a character is self-duplicated, as in the case of Leggatt and the Captain in Conrad’s The Secret Sharer, or divided into two distinct, usually antithetical, personalities, as in Stevenson’s The Strange Case of Dr. Jekyll and Mr. Hyde, which objectifies the internal struggle of good against evil (primal self).
Doubling by Duplication A twin or physical duplicate
Doubling by Division The counterpart represents one facet of the character, customarily spiritual or psychological in nature The counterpart can personify one’s demonic counterpart Alter ego – Dark and light