Slender Man (film) in the context of Sylvain White

The Slender Man (also called Slenderman, Slender, or Slendy) is a fictional supernatural character that originated as a creepypasta Internet meme created by Something Awful forum user Eric Knudsen (also known as "Victor Surge") in 2009. He is depicted as a thin, unnaturally tall humanoid with a featureless white head and face, wearing a black suit.

Stories of the Slender Man commonly feature his stalking, abducting, or traumatizing people, particularly children. The Slender Man has become a pop culture icon, although he is not confined to a single narrative but appears in many disparate works of fiction, typically composed online. Fiction relating to the Slender Man encompasses many media, including literature, art and video series such as Marble Hornets (2009–2014), wherein he is known as The Operator. The character has appeared in the video game Slender: The Eight Pages (2012) and its successor Slender: The Arrival (2013), as well as inspiring the Enderman in Minecraft. He has also appeared in a 2015 film adaptation of Marble Hornets, where he was portrayed by Doug Jones, and an eponymous 2018 film, where he was portrayed by Javier Botet.

Javier Botet López (born 30 July 1977) is a Spanish actor. Often cast in creature roles, he portrayed Tristana Medeiros in the REC franchise (2007–2009), the title character in Mama (2013), Set in The Mummy (2017), Slender Man in the 2018 film of the same name, and Dracula in The Last Voyage of the Demeter (2023). His appearances in horror films also include Crimson Peak (2015), The Conjuring 2 (2016), It (2017) and its 2019 sequel, Insidious: The Last Key (2018), and Scary Stories to Tell in the Dark (2019).