Horror Babble is starting on the weird stories of Robert Bloch. Four stories have been read so far, and made freely available on YouTube, with the fourth being “The Ghost-Writer” (1940). The tale of…

an ambitious weird fiction writer, whose insatiable desire for success leads to his doom.

Judging by a quick look at it in Weird Tales, though it obviously has traces of the Lovecraft-Bloch relationship, it doesn’t count as a “Lovecraft as a character” story.