Michael Koelsch
Michael Koelsch is credited as penciller on 2 issues, inker on 2 issues, colorist on 1 issue and cover artist on 1 issue in grailworth's catalog, 3 issues of them across 2 series we value.
Every issue
Mad (1952) 2 issues
Mad (2018) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.