Doppelgänger

Appearances

 * Shin Megami Tensei II: Gedou Race
 * Devil Summoners: Soul Hackers: Gedou Race
 * Shin Megami Tensei: Nocturne: Foul Race

Shin Megami Tensei: Nocturne
It is possible that the Shadow Demons is in fact a misnamed Doppelänger.

History
It can transform into any person it sees. It is said that whomsoever meets it will die within a few days, and much folklore stems from this creature. They may also become physical incarnations of phychological ailments