Joe Samachson
Joe Samachson is credited as writer on 202 issues in grailworth's catalog, 192 issues of them across 21 series we value. Characters first seen in issues they wrote or drew include Clark Kent, Jor-El, Lara and Superboy.
Characters they introduced
Every issue
Action Comics (1938) 39 issues
Adventure Comics (1938) 51 issues
Batman (1940) 4 issues
Boy Commandos (1942) 2 issues
Flash (1959) 1 issue
From Beyond the Unknown (1969) 1 issue
Ghosts (1971) 1 issue
House of Mystery (1951) 1 issue
Justice League of America (1960) 1 issue
Mystery in Space (1951) 3 issues
Superboy (1949) 1 issue
Superman (1939) 3 issues
Credits from the Grand Comics Database, CC BY-SA 4.0.