Don Chin
Don Chin is credited as writer on 40 issues, penciller on 3 issues, inker on 2 issues and cover artist on 1 issue in grailworth's catalog, 10 issues of them across 3 series we value. Characters first seen in issues they wrote or drew include Mighty Man.
Characters they introduced
Every issue
Megaton (1983) 1 issue
Target: Airboy (1988) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.