Koko was a giant alien arthropod with large fangs and white hair. He was one of dozens of such creatures secured on Brainiac's Skull Ship. When Brainiac abducted the Kryptonian Superman, Koko got loose from his containment pod and attacked him, but Superman easily kept him at bay.
- 1 Appearances of Koko (New Earth)
- 1 Images featuring Koko (New Earth)
- Quotations by or about Koko (New Earth)
- Character Gallery: Koko (New Earth)