This issue contains many historical figures and contemporaries of H.P. Lovecraft. None of the following are referred to by their full names and some are unnamed.
Edwin Baird was the first editor of Weird Tales magazine. Clark Ashton Smith, Robert E. Howard, Donald Wandrei, Frank Belknap Long, and August Derleth were contemporary writers with Lovecraft. Sonia Haft Greene was Lovecraft's wife. Robert Hayward Barlow was Lovecraft's literary executor.
Among the later figures, J. Edgar Hoover was the long-time director of the FBI. Clyde Tolson was the second-ranking official in the FBI. Author L. Sprague de Camp wrote biographies of Lovecraft and Howard. Jorge Luis Borges and William S. Burroughs are esteemed writers who referenced Lovecraft in a few works. Herman Slater was the owner of a magic shop.
Some historical figures are named but make no appearance. "Machen" is author Arthur Machen. "Bloch" is author Robert Bloch. "Wollheim" is Donald A. Wollheim, a Lovecraft correspondent. "Allen" is author Allen Ginsberg.
The last pages of this story include characters and scenes from Alan Moore's previous Lovecraft series, The Courtyard and Neonomicon: Gloria, Carl Perlman, Aldo Sax, Merril Brears, and Agent Barstow.