Mark Sparacio
Mark Sparacio is credited as cover artist on 24 issues, penciller on 17 issues, inker on 15 issues and writer on 3 issues in grailworth's catalog, 2 issues of them across 2 series we value. Characters first seen in issues they wrote or drew include Captain Action, Action Boy and Dr. Eville.
Characters they introduced
Every issue
Green Lantern (1990) 1 issue
Jonah Hex (2006) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.