Cynthia Martin
Cynthia Martin is credited as penciller on 48 issues, inker on 26 issues, cover artist on 16 issues, writer on 3 issues and others in grailworth's catalog, 38 issues of them across 14 series we value. Characters first seen in issues they wrote or drew include Poison, Carlos Cardinale, Joe Trinity and Past Master.
Characters they introduced
Every issue
Amazing Spider-Man (1963) 1 issue
The Blue Beetle (2006) 2 issues
Captain Atom (1987) 2 issues
Crossroads (1988) 1 issue
Girl Comics (2010) 1 issue
Midnight Sons Unlimited (1993) 1 issue
Spectacular Spider-Man (1976) 1 issue
War of the Gods (1991) 1 issue
Web of Spider-Man (1985) 2 issues
Wonder Woman (1987) 3 issues
Wonder Woman Annual (1988) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.