Sheldon Mayer
Sheldon Mayer is credited as writer on 478 issues, penciller on 435 issues, inker on 423 issues, cover artist on 263 issues and others in grailworth's catalog, 363 issues of them across 33 series we value. Characters first seen in issues they wrote or drew include Hop Harrigan, Ikky Tinker, Prop Wash and Red Dugan.
Characters they introduced
Every issue
Adventure Comics (1938) 4 issues
All-American Comics (1939) 45 issues
All-Star Comics (1940) 3 issues
Buzzy (1944) 3 issues
Detective Comics (1937) 1 issue
Flashback (1973) 1 issue
The Fox and the Crow (1951) 1 issue
Ghosts (1971) 1 issue
House of Secrets (1956) 4 issues
Movie Comics (1939) 1 issue
Mutt & Jeff (1939) 95 issues
The Phantom Stranger (1969) 3 issues
Plop! (1973) 1 issue
Popular Comics (1936) 3 issues
Secret Origins (1986) 1 issue
Secrets of Haunted House (1975) 2 issues
Secrets of Sinister House (1972) 4 issues
Sensation Comics (1942) 2 issues
Sugar & Spike (1956) 92 issues
Time Warp (1979) 1 issue
The Unexpected (1968) 2 issues
Weird Mystery Tales (1972) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.