John Bolton
John Bolton is credited as cover artist on 158 issues, penciller on 127 issues, inker on 126 issues, colorist on 49 issues and others in grailworth's catalog, 143 issues of them across 43 series we value. Characters first seen in issues they wrote or drew include Sekhmet Tharn, Staple Face, Eremite and Grillard.
Characters they introduced
Every issue
Alien Encounters (1985) 3 issues
Alien Worlds (1982) 1 issue
Alien Worlds (1984) 1 issue
Alien Worlds (1986) 1 issue
Aliens: Earth War (1990) 4 issues
Aliens: Newt's Tale (1992) 2 issues
Amazing High Adventure (1984) 1 issue
Army of Darkness (1992) 3 issues
Batman: Gotham Knights (2000) 1 issue
Bizarre Adventures (1981) 2 issues
The Books of Magic (1990) 1 issue
Classic X-Men (1986) 34 issues
Clive Barker's Hellraiser (1989) 2 issues
Espers (1986) 1 issue
Evil Dead (2008) 4 issues
Giant-Size X-Men (2005) 1 issue
Hercules (2008) 1 issue
House of Mystery (2008) 1 issue
Hunter: The Age of Magic (2001) 4 issues
Kull the Conqueror (1982) 1 issue
Kull the Conqueror (1983) 1 issue
Marauders (2019) 1 issue
Marvel Super Action (1977) 1 issue
Mephisto vs. ... (1987) 1 issue
Names of Magic (2001) 2 issues
Return to Jurassic Park (1995) 1 issue
Sabretooth Classic (1994) 1 issue
Species (1995) 3 issues
The Spectre (1992) 1 issue
Tales of Ordinary Madness (1992) 3 issues
Tales of Terror (1985) 4 issues
Twisted Tales (1982) 3 issues
Wonder Woman Annual (1988) 1 issue
X-Men: Lost Tales (1997) 2 issues
Credits from the Grand Comics Database, CC BY-SA 4.0.