Mike Clark
Mike Clark is credited as penciller on 19 issues, cover artist on 6 issues and inker on 1 issue in grailworth's catalog, 16 issues of them across 6 series we value.
Every issue
The Fury of Firestorm (1982) 1 issue
Infinity, Inc. (1984) 1 issue
Marvel Super-Heroes (1990) 1 issue
Secret Origins (1986) 3 issues
The Unexpected (1968) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.