Duke
Duke (Conrad S. Hauser, G.I. Joe, IDW-main) appears in 5 issues in grailworth's catalog, and was first published in 2008.
Every appearance we value
G.I. Joe: Cobra (2011) 1 issue
G.I. Joe: Origins (2009) 1 issue
G.I. Joe: Snake Eyes (2011) 2 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.