Bill Simpson
Bill Simpson is credited as colorist on 24 issues, penciller on 5 issues and inker on 5 issues in grailworth's catalog, 23 issues of them across 10 series we value.
Every issue
Avengelyne Deadly Sins (1995) 1 issue
Avengelyne: Power (1995) 1 issue
Bad Company (1988) 3 issues
Celestine (1996) 1 issue
Glory / Avengelyne (1995) 1 issue
Kid Supreme (1996) 1 issue
Time Twisters (1987) 1 issue
Youngblood (1995) 4 issues
Credits from the Grand Comics Database, CC BY-SA 4.0.