Grandmaster
Grandmaster (DC, head of Earth's Manhunter sect) appears in 4 issues in grailworth's catalog, and was first published in 1975.
Every appearance we value
Blue Beetle (1986) 1 issue
Justice League of America (1960) 1 issue
Secret Origins (1986) 1 issue
Young All-Stars (1987) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.