Irving Roir
Irving Roir is credited as writer on 6 issues, penciller on 6 issues, inker on 6 issues and cover artist on 1 issue in grailworth's catalog, 5 issues of them across 1 series we value. Characters first seen in issues they wrote or drew include Victor Frankenstein, Frankenstein's monster, Green Lama and Jethro Dumont.
Characters they introduced
Every issue
Credits from the Grand Comics Database, CC BY-SA 4.0.