Dennis Barclay (DC, from Swamp Thing)
Dennis Barclay (DC, from Swamp Thing) appears in 4 issues in grailworth's catalog, and was first published in 1982. First appearance: Saga of the Swamp Thing #5 (1982), cover dated 1982.
First appearance
Every appearance we value
Saga of the Swamp Thing (1982) 4 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.