grailworth

Jack O'Brien

Penciller on 38 issues · inker on 37 issues · writer on 30 issues

Jack O'Brien is credited as penciller on 38 issues, inker on 37 issues, writer on 30 issues, cover artist on 22 issues and others in grailworth's catalog, 12 issues of them across 4 series we value.

Every issue

G.I. Joe (1951) 2 issues

Harvey Hits (1957) 8 issues

John Wayne Adventure Comics (1949) 1 issue

Joker Comics (1942) 1 issue

Credits from the Grand Comics Database, CC BY-SA 4.0.