Not to be confused with Mostly Harmless.

An image of Creepypasta, our main source of information

Mostly Unknown is a term used on our wiki to describe a lot of things. Slender Man is mostly unknown. Creepypasta characters in general are mostly unknown. It's unfortunate but true - we at the Trender Man Wiki have limited information on this sort of thing. After all, Slender Man doesn't go tweeting about his life. He just... doesn't.

So what information do we have?

Well, creepypasta, and...


...Upon fanfics...

...Upon fanfics...

...That's truly all we have.


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