Fugitive
Attention: There seems to be a dashing fellow gallivanting around town impersonating me. To make matters worse, this gentleman seems to be under the impression that I am made of money, impervious to alcohol, and more or less invincible. Please be on the lookout.
UPDATE Langdo emails:
doppelgänger or fetch is the ghostly double of a living person, a sinister form of bilocation.