Hyathis (DC, plant-powered alien)
Hyathis (DC, plant-powered alien) appears in 17 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
Justice League of America (1960) 2 issues
Mystery in Space (1951) 1 issue
The Shadow War of Hawkman (1985) 2 issues
Showcase (1956) 2 issues
World's Finest Comics (1941) 3 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.