This apparently is the drawing that HPL made when writing "The Call of Cthulhu."
Looks like something I might do.
Although it is crude, I think artists should take note when trying to make their own images. THIS is the author's vision. Cthulhu is actually only a product of HPL's mind and this is what he had in mind.
[EDIT: Link added to give Jimmy Akin credit for the image and the story.]