John Thompson
John Thompson is credited as penciller on 12 issues, letterer on 11 issues, inker on 10 issues and cover artist on 1 issue in grailworth's catalog, 3 issues of them across 2 series we value. Characters first seen in issues they wrote or drew include Fon~Ti, Dr. Stellar, Oblivia and The Spook.
Characters they introduced
Every issue
Megaton (1983) 1 issue
Savage Dragon (1993) 2 issues
Credits from the Grand Comics Database, CC BY-SA 4.0.