Joe Doolin
Joe Doolin is credited as cover artist on 147 issues, penciller on 102 issues and inker on 99 issues in grailworth's catalog, 192 issues of them across 13 series we value. Characters first seen in issues they wrote or drew include Mysta of the Moon, Dr. Black, Claudia and Dorna.
Characters they introduced
Every issue
Fight Comics (1940) 25 issues
Haunted Thrills (1952) 1 issue
Jungle Comics (1940) 47 issues
Jungle Comics (1997) 1 issue
Planet Comics (1940) 53 issues
Planet Comics (1958) 1 issue
Rangers of Freedom Comics (1941) 1 issue
Terror Tales (1969) 1 issue
Weird (1966) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.