Leo O'Mealia
Leo O'Mealia is credited as penciller on 70 issues, inker on 70 issues, writer on 42 issues and cover artist on 15 issues in grailworth's catalog, 21 issues of them across 8 series we value. That includes 1 key issue, such as Detective Comics #27 (1937). Characters first seen in issues they wrote or drew include Batman, Commissioner James Gordon, Dr. Occult and Rose Psychic.
Key issues
Characters they introduced
Every issue
Action Comics (1938) 2 issues
Adventure Comics (1938) 1 issue
Atomic Comics (1946) 1 issue
New Adventure Comics (1937) 2 issues
New Comics (1935) 3 issues
Credits from the Grand Comics Database, CC BY-SA 4.0.