Gene McDonald
Gene McDonald is credited as inker on 8 issues, penciller on 2 issues, colorist on 1 issue and cover artist on 1 issue in grailworth's catalog, 6 issues of them across 3 series we value.
Every issue
Batman (1940) 3 issues
Detective Comics (1937) 2 issues
Master Comics (1940) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.