Kanjar Ro
Kanjar Ro (DC, conqueror from the planet Dhor) appears in 18 issues in grailworth's catalog, and was first published in 1961. First appearance: Justice League of America #3 (1960), cover dated 1961.
First appearance
Every appearance we value
Action Comics (1938) 1 issue
Crisis on Infinite Earths (1985) 1 issue
Hawkman (1964) 1 issue
Hawkworld (1990) 2 issues
Justice League of America (2006) 1 issue
Justice League Unlimited (2004) 1 issue
Mystery in Space (1951) 1 issue
Showcase (1956) 3 issues
Super Friends (1976) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.