Bill O'Connor
Bill O'Connor is credited as writer on 44 issues and penciller on 1 issue in grailworth's catalog, 30 issues of them across 6 series we value. Characters first seen in issues they wrote or drew include The Marvel Boy, Dynaman, Tigerman and Captain Red Ruff.
Characters they introduced
Every issue
All-Star Comics (1940) 1 issue
Blue Bolt (1949) 3 issues
Daring Mystery Comics (1940) 1 issue
Mystic Comics (1940) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.