Nathaniel Green is a top AK Corp military colonel and head of the Dimensional Tracking Center. Seasoned veteran of the Empire War, the Battle for Metropolis and the Communist War, Green worked his way up to Colonel. However, hit the glass created in 2051 after General Allen Benedict attempted to kill Adam Kelly. However, he could someday get that promotion as he is the younger half-brother of Zoe Green, the second wife of Adam Kent/Superman, but no member of his family has lived past aged 70 and he is now 69.
First appearance in PR/JLA: Issue One, Act Two, Scene Two- "Pacing towards War."
