- Larry Hama
- Andrew Wildman
- Randy Emberlin
- Bob Sharen
- Rick Parker
- G.I. Joe [Hawk; Roadblock; Dusty; Lady Jaye; Big Ben; Rock N Roll; Stalker; Duke; Wild Bill; Eco-Warriors [Flint (Leader); Ozone (first appearance); Clean-Sweep (first appearance)]; Ninja Force [Snake-Eyes (leader); Storm Shadow; Nunchuk; Dojo; T'Jbang]]; Cobra [Cobra Commander; Zarana; SAW-Viper; Tele-Viper; Eco-Warriors [Cesspool (leader); Toxo-Viper II; Sludge-Viper]; Slice; Dice; Renegade Red Ninjas [Red Ninja Warlord (leader); Red Ninjas]; Viper; Crimson Guard [Fred LXV (first appearance; death)]; Sean; Fred LXV's wife (first appearance)]; Headhunters [Headman (leader); Headhunter troopers]
- As the Joes escape Cobra in Trans-Carpathia, Zarana sends a message to the Commander that Cesspool is taking over Cobra Island and setting up weapons-grade sludge centers throughout, to which the commander responds she needs to deal with it. Meanwhile, both the Joe and Cobra ninjas face each other in a marshland in Trans-Carpathia, as Ninja Force captures the Red Ninja's leader. Flint is made head of a new group: The Eco-Warriors, and drugs are being dealt on Broca Beach by the Headman. To be continued...
story continues next issue (#124). story shortened to 20 pgs to include next character profile in this issue.
- comments about previous Joe issues.
last issue edited by Bobbie Chase, as she leaves to edit Marvel Comics' upcoming Ghost Rider family of titles.