double-ganger

If he turn his cloak or plaid, he will obtain the full sight which lie desires, and may probably find it to be his own fetch, or wraith, or double-ganger.

Letters on Demonology and Witchcraft 1885

I can hardly believe it was myself who went to that horrible place, I wish you could prove that it was my double-ganger. '

Abbeychurch Charlotte Mary Yonge 1862

a more vigorous bite -- alas! it had none of the flavour of the veal and porter; so I discovered that the law of optics was unchanged, and that I had escaped the infliction of so voracious a double-ganger.

Blackwood's Edinburgh Magazine, Vol 58, No. 357, July 1845 Various

Felix, with due love of the miraculous, will have it that the Suicide in the inn was not Paris, but some double-ganger of his.) -- Robespierre sees reason to think that Prince d'Artois himself is privately in Town; that the Convention will be butchered in the lump.

The French Revolution Thomas Carlyle 1838

If he turn his cloak or plaid, he will obtain the full sight which he desires, and may probably find it to be his own fetch, or wraith, or double-ganger.]

Letters on Demonology and Witchcraft Walter Scott 1801