Jeff Rovin
Jeff Rovin is credited as writer on 11 issues in grailworth's catalog, 9 issues of them across 5 series we value. Characters first seen in issues they wrote or drew include Phoenix, Tiger-Man and Kromag.
Characters they introduced
Every issue
Creepy (1964) 4 issues
Eerie (1965) 1 issue
Laugh (1987) 1 issue
Phoenix (1975) 2 issues
Credits from the Grand Comics Database, CC BY-SA 4.0.