Dr. Erdel (from Martian Manhunter)
Dr. Erdel (from Martian Manhunter) appears in 6 issues in grailworth's catalog, and was first published in 1955.
Every appearance we value
Justice League of America (1960) 1 issue
Secret Origins (1961) 1 issue
Superman / Batman (2003) 1 issue
World's Finest Comics (1941) 2 issues
Zero Hour: Crisis in Time (1994) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.