"Doppleganger" is probably misspelled. Trying doppelgänger instead Definition of doppelgänger
doppelgänger has definitions from the field of folklore
1
[ noun ] (informal) a person who is almost identical to another
2
[ noun ] (folklore) a ghostly double of a living person that haunts its living counterpart
3
[ noun ] a ghostly double of a living person having an identical physical appearance
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