Trivia. While most people believe that the Silents were based on Slender Man, Stephen Moffat stated that he drew inspiration from Edvard Munch's famous 1893 expressionist painting The Scream, Men in Black myths from the 1950's, and Gray Alien myths during the creation process of the Silence.
What kind of demon is slenderman?
The Slender Man is a supernatural creature that is described as appearing as a normal human being but he is described as being 8 feet tall and he has vectors or extra appendages that are described to be as sharp as swords. The creature is known to stalk humans and cause many disappearances.
Why do the Silence wear suits?
Inspiration. Steven Moffat has said that he was inspired by Edvard Munch's The Scream when creating the Silence's appearance. He has also cited that the urban legends of the Men in Black inspired him to have Silents wear a black suit and tie.