Associate

Associate is one of Slender Man's proxies. He first made himself known in this tweet. However, he made his first physical appearance in the video, Updates. He wears a black hoodie, a Day of the Dead mask and blue jeans. Some believe him to use Ross Cameron as a vessel. This is supported by the moment during this video, where Ross leaves for a moment to get a drink of water and while he's "gone", Associate comes into the room without his hood. He and Ross have the same hair. Associate also took over the TallAndFaceless channel while Ross was gone and sent a viewer by the name of Felipe "Salchipipe" Alvarado into an ARG which revealed the Cult of Black Leaves.