Mickey Spillane
Mickey Spillane is credited as writer on 17 issues in grailworth's catalog, 9 issues of them across 7 series we value. Characters first seen in issues they wrote or drew include The Black Avenger.
Characters they introduced
Every issue
All-Winners Comics (1941) 2 issues
Blue Bolt (1949) 1 issue
Captain America Comics (1941) 1 issue
Green Hornet Comics (1942) 1 issue
The Human Torch (1940) 2 issues
Spook (1953) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.