General Terminology

Angora: Originally one of three groups in the 7 trials of HABIT tournament, but now usually a reference to a chat room that members of said group started that blurs the line between in-game and out-of-game.

Cryptic Bullshit: Messages or puzzles sent to protagonists, usually by an unknown party, which are extremely vague or require extensive effort to decipher.  An extremely popular plot device popularized originally my MarbleHornet’s totheark videos.

Core Theory: A theory that the Slender Man could be defeated by assigning archetypal roles to different players in the Slenderverse.  A controversial and mostly discredited theory, though an important part of mythos history.

  • Sage: A Core Theory role.  Sages gather information on combatting the Slender Man for others to use.
  • Mystic: A Core Theory role.  Mystics are “veterans,” old fighters who refuse to quit, but have become more passive.
  • Hermit: A Core Theory role.  Hermits pass on information, but prefer to work alone.
  • Warrior: A Core Theory role.  Warriors actively attempt to drive the Slender Man back.
  • Guardian: A Core Theory role.  While Warriors attempt to drive the Slender Man back, Guardians attempt to hold them back.
  • Hero: A Core Theory role.  It is believed that it will take a Hero to defeat the Slender Man.

The Fears: A collection of other paranormal creatures who inhabit the same fictional universe as the Slender Man.

Labyrinth: An elaborate trap set by the Slender Man, almost always very maze-like in nature.  Labyrinths can either be literal, with the victim trapped in distorting time and space, or metaphorical, occurring entirely within the victim’s own mind.

The Slender Man: The central figure of the Slender Man Mythos.  A tall, thin, faceless man who is known for stalking, abducting, or killing people, primarily children.  He has a variety of powers which vary from story to story and even his physical details and methods vary.

  • Common variations or nicknames: Slenderman, Slendy, Slim Jim, TPF (Tall, Pale, and Faceless), Our Mutual Friend, or Slender[X] (in which X is usually a derogatory term).  Characters working under or for him also commonly use “the big man”.

The Slender Man Mythos: a more or less common “canon” on the Slender Man’s attributes and methodology.

Slenderblog: A blog involving or about the Slender Man.

Slendersickness: The physical symptoms associated with being stalked by the Slender Man.

The Slenderverse: the works involving the Slender Man, including both the vlogs and the blogs.

Slendervlog: A vlog involving or about the Slender Man.

Slendistortion: Distortions in video or audio caused by the Slender Man.  Also commonly referred to as video distortion or audio distortion for purposes of clarity.

  • Video tear: a specific type of Slendistortion, where part of the screen is slightly shifted.

Wifing/Wifin’: a combination of gamejacking, trolling, and in-game activity when out-of-game activity would be more appropriate.  Usually seen as a negative thing, but it can occasionally be done well.  The term comes from a popular parody of Marble Hornets containing the song “Gimme 20 Dollars” and the song lyric “No Wifin’ in the club”.

Meta Terms

Alternate Reality Game (ARG): an interactive form of storytelling in which the viewers both work together and compete against each other to advance the plot and gain additional story information.

Chaotic Fiction: A form of adaptive storytelling in which the audience can directly interact with the story.

In-game (IG): In-character, canon, treated as if it’s real.

Out-of-game (OOG):  Out-of-character, non-canon.

Puppetmaster (PM): A person involved in creating and/or managing an ARG or similar work.

Trailhead: A place, usually a forum thread, where an ARG or a piece of Chaotic Fiction is introduced and then discussed.


It takes all types.  The inhabitants of the Slender Man Mythos run the full gambit of archetypes.  Courageous to cowardly, altruistic to selfish, leaders and followers.  These are some of the various alignments and classifications, as we understand them today.  But as with everything else, things can change with time.  Please note, each “class” is placed under it’s most common alignment, but plenty of variations still happen.  You can have neutral proxies, evil runners, and everything in between.


Fighter: Someone who is actively trying to combat the Slender Man.

Rabbit: A participant in the 7 Trials of HABIT tournament.

Runner: Someone who avoids the Slender Man by staying on the move.  Also a general catch-all term for Slenderbloggers.

Conduit: a Runner with supernatural powers.  (Infrequently used, controversial)


Blind: Someone who does not know about the Slender Man.  Is usually believed to be “safe” from him.

Stalked: Someone who is being pursued by the Slender Man.

Keeper/Scribe: Someone who is trying to gain information on the Slender Man.  Keepers tend to experiment for the sake of results (and are often also fighters), while Scribes tend to remain detached and study the Slender Man purely academically.


Proxy: Someone who is working for the Slender Man.

  • Agent: A type of proxy working for the Slender Man under their own volition.
  • Hallowed: A type of proxy whose identity has been taken away and is simply an empty shell of a person.  The term itself is losing popularity, and “husks” has been a popular alternative.  Some blogs also use the term “indoctrinated”.
  • Revenant: A type of proxy with hypersensitivity and heightened speed, strength, and healing.  The powers were later revealed to be an illusion.

This Lexicon page draws heavily from the glossary article written by site contributor lilandyk on his own website, Slenderbloggins.  Adapted with permission.