Story: "Gorilla Warfare, Conclusion: Quite A Head On His Shoulders" (22 Pages)

Credits:

Mark Waid (plot, script)
Greg LaRocque (pencils)
Roy Richardson (inks)
Tim Harkins (letters)
Matt Hollingsworth (colors)
Brian Augustyn (edits)

Feature Character:

Flash III (last in Green Lantern Vol. 3 #31)

Guest Stars:

Green Lantern (Hal Jordan; last in Green Lantern Vol. 3 #31)
Rex the Wonder Dog
Detective Chimp (both last in Green Lantern Vol. 3 #31)

Supporting Character:

Danny Dennis (last in Green Lantern Vol. 3 #31)

Villains:

Hector Hammond
Gorilla Grodd
the Apes of Gorilla City (all last in Green Lantern Vol. 3 #31)

Other Character:

Solovar (last in Green Lantern Vol. 3 #30)