Roh'kar (New Earth)

Roh'kar was a green Martian, held in custody on Earth by agents of the NSA. The Martian Manhunter learned of Roh'kar's existence, and tried to extradite him, but Roh'kar was killed during the struggle. His body was recovered by NSA agents and used to to help develop Anti-Martian weaponry.

First Appearance: Brave New World #1