Welcome, My Little Nightmares! Below is an introduction and a list of all my content tagged with "Slender Man"Slender Man is a fictional character that originated as an internet meme in 2009. He is typically depicted as a tall, thin, faceless man with long, tentacle-like arms. Slender Man is said to stalk and abduct people, especially children. He has become one of the most popular creepypastas of all time, and has been featured in a number of video games, books, and films.