Allan Gross
Allan Gross is credited as writer on 20 issues in grailworth's catalog, 11 issues of them across 5 series we value. Characters first seen in issues they wrote or drew include Sentinel and Lord Dichon.
Characters they introduced
Every issue
Argus (1995) 3 issues
Flash Annual (1987) 1 issue
Liberty Meadows (1999) 1 issue
Showcase '95 (1995) 2 issues
Tarzan (1996) 4 issues
Credits from the Grand Comics Database, CC BY-SA 4.0.