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A person’s exact double. Seen since early times and sometimes known as a ‘Fetch’.
The word Doppelgänger is German for ‘look-alike, literally a “double goer”.
How do I recognise them?
This is fairly obvious.
Where will I find them?
Encounters seem to be random.
How do I get their attention?
They are often as surprised as the person seeing them.
How do I escape?
A vardoger is a double in Norse mythology who performs actions in advance.
In folklore seeing your own double is an omen of death.