I was rewatching the beginning and the way the horse is made to run after the killing reminded me of the dog in the cemetery in GBU.
Twins, separated at birth?
No, DOPPELGÄNGERN.
DOPPELGÄNGERIt's the same word in singular and in plural
Yes, but one is the same to the other; then it must be plural.
In English we get rid of the umlaut and male/female articles. The plural can be made with an "s."
Der Doppelgänger is singularDie Doppelgänger is pluralIf it is that what you want to know. It's an exception, but not the only one.