David Cullen
David Cullen is credited as penciller on 7 issues, writer on 4 issues and letterer on 2 issues in grailworth's catalog, 5 issues of them across 2 series we value. Characters first seen in issues they wrote or drew include Psiphon.
Characters they introduced
Every issue
Marvel Comics Presents (1988) 1 issue
What If...? (1989) 4 issues
Credits from the Grand Comics Database, CC BY-SA 4.0.