Howard Perlin
Howard Perlin is credited as inker on 5 issues and colorist on 1 issue in grailworth's catalog, 4 issues of them across 2 series we value. That includes 1 key issue, such as Werewolf by Night #32 (1972).
Key issues
Every issue
Ghostly Tales (1966) 2 issues
Werewolf by Night (1972) 2 issues
Credits from the Grand Comics Database, CC BY-SA 4.0.