That was only one of Professor Ojo's spy eyes and another one would attack Hal Jordon and Green Arrow in Gotham City's Arkham Asylum, where the eye managed to free Alexander Tuttle, the Crumbler.[3] The two villains attempted to destroy the atomic power plant built by the Crumbler's father. Professor Ojo planned to thus show the world the devastating effect of radiation. Even though Ojo upgraded the Crumbler's power, both villains were defeated by Green Lantern and Green Arrow.[4]