Robert E. Howard
Robert E. Howard is credited as writer on 234 issues in grailworth's catalog, 108 issues of them across 28 series we value. Characters first seen in issues they wrote or drew include King Borna, Ka-Nu, Kuthulos and Gorm.
Characters they introduced
Every issue
Chamber of Chills (1972) 2 issues
Conan Annual (1973) 3 issues
Conan the Cimmerian (2008) 1 issue
Creatures on the Loose (1971) 1 issue
Journey into Mystery (1972) 1 issue
Kull and the Barbarians (1975) 3 issues
Kull, the Conqueror (1971) 1 issue
Marvel Preview (1975) 1 issue
Marvel Treasury Edition (1974) 1 issue
Masters of Terror (1975) 2 issues
Psycho (1971) 1 issue
Savage Tales (1971) 3 issues
Solomon Kane (1985) 3 issues
Solomon Kane (2008) 2 issues
Solomon Kane: Red Shadows (2011) 2 issues
Supernatural Thrillers (1972) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.