King Shark appeared in the 1994 comic book called Superboy. King Shark is a super-villain and humanoid shark. His father is Chondrakha the God of all Sharks, and his mother is a human woman. For years he acted as a serial killer in Hawaii before his presence was discovered by Superboy. Briefly during Sword of Atlantis he became Aquaman's sidekick. He has been a member of the Secret Six, the Secret Society of Super-Villains and the Suicide Squad.