It was Donald Merwin Elbert, now known as the Trashcan Man.

From Author Wars - https://authorwars.com/books/it-was-donald-merwin-elbert-now-known-as-the-trashcan-man-1928640.html

Overview:

Title: It was Donald Merwin Elbert, now known as the Trashcan Man.
Author: Berni Wrightson
Year: 1991
Type: Interior Art

Editions/Publications:

Unknown. Stephen King's The Stand: A Portfolio of Illustration (Unknown, Berni Wrightson, Glimmer Graphics, 13 pages, other, Non-fiction)