- Larry Hama
- Andrew Wildman
- Randy Emberlin
- Bob Sharen
- Rick Parker
- G.I. Joe [Eco-Warriors [Flint; Clean-Sweep; Ozone]; D.E.F. [Bulletproof; Mutt; Junkyard; Shockwave; Cutter]]; U.S. Attorney General assistant Mr. Jones; Cobra [Eco-Warriors [Cesspool; Toxo-Vipers II; Sludge-Vipers]; Ike (first appearance; death); Mike (first appearance; death); Sean]; Headhunters [Headman; Headhunter troopers]
- story split in two as :A. Flint wins his battle vs. Cesspool, and B. the D.E.F. force the Headman out of Broca Beach, with the town all the while keeping itself secret from the Joes as an underground Cobra base.
story continued from #124. story shortened to 20 pgs to include new dossier this issue.
- comments about previous Joe issues.
Hildy Mesnik and Kevin Kobasic are introduced this issue as Editor and assistant for the series.