Beings that appear to be the same as the protagonist, often with faint or even quite noticeable differences. Often these are an evil clone or twin, or some manifestation of the Evilness in the protagonist, or even almost literal mirror images of them.
Alternate names: Evil twin, Mirror image
Name variations: simulacra, doppelganger, doppelgänger, homunculus, homunculi
The first video game about Simulacrums was released on December 1988.