TWO OF YOU

A “doppelganger” is a paranormal double of a living person, an alter ego, or a look-alike.  A biological identical twin could be a doppelganger.

In classical as well as contemporary literature there is the tradition of “twins” and “doubles,” look-alikes, in mistaken identity stories.

In religion there is the soul, the immortal essence of a person, also a double.

In Norse mythology, the doppelganger is called a "vardoger" and is a ghostly double who precedes a living person and is seen performing their actions in advance of the living person.  In Finnish mythology, this is called an "etiainen," or “firstcomer.”

If we have a paranormal double, or look-alike, who precedes us, it would explain our experience of déjà vu, literal “already seen.”