Professor Eureka (DC humor)
Professor Eureka (DC humor) appears in 48 issues in grailworth's catalog, and was first published in 1951. Key issues with Professor Eureka include Brave and the Bold #54 (1955) and Superman #76 (1939).
Key issues
Every appearance we value
Action Comics (1938) 1 issue
Batman (1940) 2 issues
Blackhawk (1957) 2 issues
Brave and the Bold (1955) 2 issues
Challengers of the Unknown (1958) 2 issues
The Doom Patrol (1964) 2 issues
My Greatest Adventure (1955) 4 issues
Rip Hunter... Time Master (1961) 1 issue
Showcase (1956) 3 issues
Superman (1939) 2 issues
Tales of the Unexpected (1956) 3 issues
World's Finest Comics (1941) 2 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.