Ibac
Ibac (Fawcett / DC, Stanley "Stinky" Printwhistle) appears in 9 issues in grailworth's catalog, and was first published in 1942.
Every appearance we value
Adventure Comics (1938) 1 issue
Captain Marvel Adventures (1941) 1 issue
Convergence Shazam (2015) 1 issue
DC Comics Presents (1978) 1 issue
The Power of SHAZAM! (1995) 3 issues
Villains United (2005) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.