Bryan Lee O'Malley
Bryan Lee O'Malley is credited as letterer on 30 issues, writer on 20 issues, inker on 5 issues, penciller on 4 issues and others in grailworth's catalog, 15 issues of them across 1 series we value. Characters first seen in issues they wrote or drew include Negan and Lucille.
Characters they introduced
Every issue
Credits from the Grand Comics Database, CC BY-SA 4.0.