I hope I did this right

Type: Humanoid? (or pants shitting terror type, your call)
Image Attachment: <img src="http://i799.photobucket.com/albums/yy278/crossblaed/1288569825889.jpg" border="0"> Yanked from the TV Tropes Slenderman Mythos page.

Name: Slendermen
Appearance: 6/7 feet tall, slender, faceless, eldritch-y, 
Speed: Slendermen teleport, but only when you aren't looking. They also kind of float.
Traits/Powers: Electronics go haywire in their presence, they can induce headaches, and memory loss. Allegedly, they can cause insanity in victims and can possibly be attributed to many unsolved disappearances in the city, but reports are too rare or questionable to make any solid conclusions.
Location: Anywhere and everywhere
Rarity: Luckily, it is very rare to come across Slendermen at all. It's not known if it's just one being or multiple. There have been few reports of two Slendermen at one location, but these have been considered highly unreliable due to the violently unstable nature of witnesses.
Notes: If you're unlucky enough to see one looming in the distance, get in the nearest darkness-proofed building immediately. Make sure not to take your eyes off it at all. Do not stop to text your friend, or to take a picture for proof. There is no known way to hurt or kill Slendermen, so the best course of action is to GTFO.

Many sighting reports of Slendermen come from children. Many others come from violently disturbed individuals. Strangely, several of these people had no history of mental illness before allegedly seeing Slendermen.
Credit: Anon, please.

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I hope I did this right

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