Dr. Gilcrist, also known as Metallo, was a doctor working for Project Cadmus. He was later converted into a cyborg, like John Corben, with the mission to destroy Kryptonians. He was eventually defeated by Superman and the Martian Manhunter.
Dr. Gilcrist, also known as Metallo, was a doctor working for Project Cadmus. He was later converted into a cyborg, like John Corben, with the mission to destroy Kryptonians. He was eventually defeated by Superman and the Martian Manhunter.