Bill Walsh
Bill Walsh is credited as penciller on 85 issues, inker on 76 issues and cover artist on 13 issues in grailworth's catalog, 42 issues of them across 9 series we value. Characters first seen in issues they wrote or drew include The Black Rider, Matthew Masters, Satan and Jim Lathrop.
Characters they introduced
Every issue
Classics Illustrated Junior (1953) 21 issues
Forbidden Worlds (1951) 2 issues
Glamorous Romances (1949) 1 issue
Kid Colt (1948) 2 issues
Kid Colt Outlaw (1949) 1 issue
Romantic Adventures (1949) 1 issue
The Texan (1948) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.