Nyarlathotep

Description
Nyarlathotep, known to many by his epithet The Crawling Chaos, is an Outer God in the Cthulhu Mythos. He is the spawn of Azathoth.

Nyarlathotep differs from the other deities in the Mythos in a number of ways. Most of the Outer Gods are exiled to the stars, like Yog-Sothoth and Azathoth, and most of the Great Old Ones are sleeping and dreaming like Cthulhu; Nyarlathotep, however, is active and frequently walks the Earth in the guise of a human being, usually a tall, slim, joyous man. He has "a thousand" other forms and manifestations, most reputed to be quite horrific and sanity-blasting.

Most Outer Gods use strange alien languages, while Nyarlathotep uses human languages and can easily pass for a human being if he chooses to do so. Finally, most of them are all-powerful yet evidently without clear purpose or agenda, yet Nyarlathotep seems to be deliberately deceptive and manipulative, and even uses propaganda to achieve his goals. In this regard, he is probably the most human-like among the Outer Gods.

Nyarlathotep enacts the will of the Outer Gods, and is their "messenger, heart and soul", "the immemorial figure of the deputy or messenger of hidden and terrible powers" He is also the servant of Azathoth, whose fitful, spastic wishes he immediately fulfills. Unlike the other Outer Gods, spreading madness is more important and enjoyable than death and destruction to Nyarlathotep.

Cult
Most of the Outer Gods have their own cults serving them; Nyarlathotep seems to serve as He serves several cults and takes care of their affairs in the other Outer Gods' absence.