Roy Crane
Roy Crane is credited as writer on 406 issues, penciller on 249 issues, inker on 224 issues, letterer on 28 issues and others in grailworth's catalog, 122 issues of them across 13 series we value. Characters first seen in issues they wrote or drew include Phantasmo.
Characters they introduced
Every issue
Captain Easy (1947) 3 issues
Chic Young's Dagwood Comics (1950) 3 issues
Crackajack Funnies (1939) 1 issue
Four Color (1939) 1 issue
Four Color (1942) 3 issues
The Funnies (1936) 30 issues
Magic Comics (1939) 28 issues
Mammoth Comics (1938) 1 issue
Red Ryder Comics (1940) 3 issues
Credits from the Grand Comics Database, CC BY-SA 4.0.