Joe Cooper
Joe Cooper is credited as penciller on 6 issues, cover artist on 4 issues and inker on 2 issues in grailworth's catalog, 3 issues of them across 3 series we value. Characters first seen in issues they wrote or drew include Mike Merlin, Hummingbird, Mr. Martian and Oblivia.
Characters they introduced
Every issue
Flash (1987) 1 issue
Ka-Zar (1997) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.