Steve Erwin
Steve Erwin is credited as penciller on 98 issues, cover artist on 32 issues, inker on 4 issues and writer on 1 issue in grailworth's catalog, 80 issues of them across 19 series we value. Characters first seen in issues they wrote or drew include Kevin Maxwell, Knight O'Donnell, Kalia Campbell and Jack Wyznowski.
Characters they introduced
Every issue
Deathstroke, the Terminator (1991) 23 issues
GrimJack (1984) 2 issues
Hawk and Dove (1989) 2 issues
ID4: Independence Day (1996) 2 issues
New Gods (1989) 3 issues
The New Titans (1988) 3 issues
Shatter (1985) 4 issues
Showcase '96 (1996) 1 issue
Star Trek (1989) 1 issue
Superboy (1994) 1 issue
Titans Sell-Out Special (1992) 1 issue
The Vigilante (1983) 3 issues
Credits from the Grand Comics Database, CC BY-SA 4.0.