Alterne Type 1
From Scp Wiki
Type: 1
Object Class: Keter
Description: The Doopelgänger its an Creature who take the form of the Victim to kill hem.
The True Appearance of a dog Doopelgänger is unknown if it is known that they are very perfect Shapeshifters and that they use Psychological Warfare as their main Attack Method
It is estimated that there are 8 Billion Dopelgängers on Planet Earth and that every time a new Human being is born, a New Dopelgänger is created.
It is known that a Dopelgänger is quite dangerous because they can kill you just by talking to you or they can kill you with blows and stabs (with any sharp object they have within reach)
variants:
The Disease of the Mind is a Pathogen that Affects the Mind and then Makes the Carrier become a Psychopath, This Disease is not very Contagious and is only Transmitted Through Injections
