Jack Miller
Jack Miller is credited as writer on 416 issues, penciller on 1 issue and inker on 1 issue in grailworth's catalog, 388 issues of them across 46 series we value. That includes 1 key issue, such as Detective Comics #225 (1937). Characters first seen in issues they wrote or drew include Janu, Clock King, Quisp and Gramps.
Key issues
Characters they introduced
Every issue
Action Comics (1938) 37 issues
Adventure Comics (1938) 25 issues
The Best of DC (1979) 1 issue
Beware (1953) 3 issues
Brave and the Bold (1955) 3 issues
Crime Mysteries (1952) 1 issue
DC Special (1968) 2 issues
DC Super Stars (1976) 1 issue
Deadman (1985) 4 issues
Detective Comics (1937) 29 issues
The Doom Patrol (1964) 1 issue
From Beyond the Unknown (1969) 2 issues
G.I. Combat (1957) 1 issue
Ghosts (1971) 1 issue
Girls' Romances (1950) 1 issue
House of Mystery (1951) 36 issues
House of Secrets (1956) 4 issues
Justice League of America (1960) 1 issue
Mutt & Jeff (1939) 1 issue
My Greatest Adventure (1955) 1 issue
The Phantom Stranger (1952) 3 issues
The Phantom Stranger (1969) 1 issue
Rip Hunter... Time Master (1961) 23 issues
Secret Hearts (1949) 31 issues
Sensation Mystery (1952) 2 issues
The Spectre (1967) 1 issue
Tarzan (1972) 4 issues
Teen Titans (1966) 1 issue
The Unexpected (1968) 3 issues
The Witching Hour (1969) 3 issues
World's Finest Comics (1941) 41 issues
Credits from the Grand Comics Database, CC BY-SA 4.0.