doublegangerEtymologyPartial calque of German Doppelgänger, equivalent to double + ganger.doubleganger means A doppelganger. Lexicurio rates it Sui generis — a strength score of 89 out of 100.nounA doppelganger.“Either you are Hereward, or you are his doubleganger. You speak like Hereward, you look like Hereward. Just what Hereward would be now, you are.”