Vince Wilson is the main character of the short film, Proxy: A Slender Man Story.
Vince begins having nightmares and seeing a tall man when other people do not. After doing research, he learns that this "thing" can control people and turn them into a Proxy. At the end of the film, he is fully indoctrinated by the Slender Man, and murders his girlfriend.
Proxy is a film by Black Box TV based off the Slender Man mythos and was uploaded on YouTube on the 31st of October 2012. It is about a man named Vince Wilson who ends up becoming very paranoid because of the odd and disturbing dreams he is having. The end of the film hints that he is eventually turned into a proxy .
Proxy heavily utilizes this Slenderman wikia as Vince searches for reasons as to why he is seeing these horrible images and dreams of Slender Man and of the dead bodies with their organs ripped out, placed in plastic bags and replaced in the body.