Sam Cooper
Sam Cooper is credited as penciller on 151 issues, inker on 138 issues, cover artist on 12 issues and writer on 1 issue in grailworth's catalog, 99 issues of them across 27 series we value. Characters first seen in issues they wrote or drew include Thelma Gordon, Betty Warren, Dusty and Fireball.
Characters they introduced
Every issue
Crime and Punishment (1948) 2 issues
Daring Mystery Comics (1940) 1 issue
The Fighting Yank (1942) 1 issue
Flashback (1973) 1 issue
Forbidden Worlds (1951) 3 issues
Glamorous Romances (1949) 2 issues
Hangman Comics (1942) 1 issue
K-O Komics (1945) 1 issue
Love Classics (1949) 1 issue
Out of the Night (1952) 1 issue
Search for Love (1950) 1 issue
Spitfire Comics (1944) 1 issue
Thrilling Comics (1940) 1 issue
Top Notch Laugh Comics (1942) 1 issue
True Crime Comics (1947) 1 issue
The Twelve (2008) 1 issue
Underworld (1948) 1 issue
Weird Love (2014) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.