thumb|upright=1.35|Dante Gabriel Rossetti, How They Met Themselves, watercolour, 1864 A doppelgänger ( ), sometimes spelled doppelgaenger or doppelganger, is a ghostly double of a living person, especially one that haunts its own fleshly counterpart.The American Heritage Dictionary, Second College Edition, Boston, Houghton Mifflin Company, 1985, p. 418.
thumb|uprighT=1.35|danTe GabrIEL rossEttI, hoW tHeY Met themselvES, wAterColoUR, 1864 A dOppeLGängeR ( ), sOmetIMes spelLed doppelGaEngER Or dopPelgangEr, IS a GHostLy Double of a lIVinG peRSON, EsPeciaLly ONe That hAuntS Its own flesHLy CounterparT.The aMeRiCan hEritage Dictionary, SeconD coLlegE EDItIOn, BostoN, HOughTon mIFFLiN Company, 1985, P. 418.