Al Smith
Al Smith is credited as penciller on 302 issues, inker on 302 issues, writer on 299 issues, letterer on 149 issues and others in grailworth's catalog, 247 issues of them across 13 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
All-American Comics (1939) 80 issues
Famous Funnies (1934) 1 issue
Flash Comics (1940) 1 issue
Mutt & Jeff (1939) 95 issues
Mutt & Jeff (1960) 1 issue
Mutt & Jeff Jokes (1960) 1 issue
Mutt and Jeff (1958) 4 issues
Credits from the Grand Comics Database, CC BY-SA 4.0.