Ralph Mayo
Ralph Mayo is credited as inker on 257 issues, penciller on 234 issues, cover artist on 6 issues and colorist on 1 issue in grailworth's catalog, 189 issues of them across 56 series we value. Characters first seen in issues they wrote or drew include Garganta.
Characters they introduced
Every issue
Adventure Comics (1938) 44 issues
Adventures into Darkness (1952) 1 issue
America's Best Comics (1942) 2 issues
Astonishing (1951) 1 issue
Atom-Age Combat (1952) 1 issue
Authentic Police Cases (1948) 1 issue
The Black Terror (1942) 2 issues
Buried Treasure (1986) 1 issue
Chamber of Chills (1972) 1 issue
Crime and Punishment (1948) 1 issue
Crime Does Not Pay (1942) 2 issues
Daredevil (1941) 1 issue
Date with Danger (1952) 1 issue
DC Special (1968) 1 issue
DC Super Stars (1976) 1 issue
Dynamic Comics (1941) 2 issues
Dynamic Comics (1958) 1 issue
Fantastic Worlds (1952) 1 issue
FemForce (1985) 2 issues
Four Color (1942) 2 issues
Gang Busters (1947) 3 issues
House of Mystery (1951) 2 issues
House of Secrets (1956) 1 issue
Journey into Mystery (1952) 2 issues
Journey into Unknown Worlds (1950) 2 issues
Jungle Comics (1940) 32 issues
Jungle Comics (1958) 1 issue
Jungle Jim (1954) 1 issue
Kid Slade, Gunfighter (1957) 1 issue
Monsters Unleashed (1973) 1 issue
Mr. District Attorney (1948) 2 issues
Mystery Tales (1952) 1 issue
Out of the Shadows (1952) 1 issue
The Outlaw Kid (1954) 1 issue
Punch Comics (1941) 1 issue
The Rawhide Kid (1960) 1 issue
Red Seal Comics (1945) 2 issues
Savage Tales (1971) 2 issues
Spellbound (1952) 1 issue
Startling Comics (1940) 1 issue
Strange Tales (1951) 1 issue
Strange Terrors (1952) 1 issue
The Unseen (1952) 3 issues
Weird Horrors (1952) 1 issue
Western Comics (1948) 4 issues
Where Monsters Dwell (1970) 1 issue
Wild Western (1948) 2 issues
World of Suspense (1956) 1 issue
Zip Jet (1953) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.