Edmond Hamilton
Edmond Hamilton is credited as writer on 365 issues and letterer on 1 issue in grailworth's catalog, 352 issues of them across 24 series we value. That includes 2 key issues, such as Detective Comics #225 (1937) and Superman #76 (1939). Characters first seen in issues they wrote or drew include Captain Comet, Roh Kar, Janu and Signalman.
Key issues
Characters they introduced
Every issue
80 Page Giant Magazine (1964) 4 issues
Action Comics (1938) 45 issues
Adventure Comics (1938) 51 issues
Batman (1940) 41 issues
The Batman Family (1975) 1 issue
DC Special Series (1977) 2 issues
DC Super Stars (1976) 2 issues
Detective Comics (1937) 23 issues
From Beyond the Unknown (1969) 2 issues
Green Lantern (1941) 1 issue
Legion of Super-Heroes (1973) 1 issue
Secret Origins (1961) 1 issue
Showcase (1956) 3 issues
Strange Adventures (1950) 25 issues
Superman (1939) 50 issues
The Superman Family (1974) 3 issues
World's Finest Comics (1941) 52 issues
Worlds Unknown (1973) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.