dop·pel·gäng·er or dop·pel·gang·er 
/ˈdɑ:pəlˌgæŋgɚ/ noun
plural dop·pel·gäng·ers /ˈdɑ:pəlˌgæŋgɚ/ noun [count] 1 : someone who looks like someone else
▪ I saw your doppelgänger [=(more commonly) double] yesterday. 2 literary : a ghost that looks like a living person
▪ In the story, the character is haunted by a doppelgänger.
▪ I saw your doppelgänger [=(more commonly) double] yesterday.
▪ In the story, the character is haunted by a doppelgänger.
