Stryker's Island Penitentiary

Stryker's Island Penitentiary is an island-based facility that houses some of Metropolis' most dangerous villains. Unlike Arkham Asylum, Stryker has a significant metahuman population.
== Inmates ==
* Rudy Jones / Parasite
* Lex Luthor
* Albert Michaels / Atomic Skull
* Wallace Keefe / Metallo
* Winslow Percival Schott / Toyman
* Simon Stagg
* Siobhan McDougal / Silver Banshee
* Leslie Willis / Livewire