Gardner Grayle (leader of The Atomic Knights)
Gardner Grayle (leader of The Atomic Knights) appears in 17 issues in grailworth's catalog, and was first published in 1960. First appearance: Strange Adventures #117 (1950), cover dated 1960.
First appearance
Origin
Every appearance we value
The Brave and the Bold (2007) 1 issue
Countdown (2007) 1 issue
Crisis on Infinite Earths (1985) 1 issue
DC Comics Presents (1978) 1 issue
DC Super Stars (1976) 1 issue
Doomsday Clock (2018) 1 issue
The Outsiders (1985) 2 issues
Wonder Woman (1942) 2 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.