King Shark is a humanoid shark and frequent foe of the Flash, and serves as an enforcer for the Regime in the Year Five comic series.
Nanaue is a humanoid shark, his father is "The King of all Sharks" -- also known as the Shark God. Other characters, such as special agent Sam Makoa, have dismissed this as superstition and referred to Nanaue as a "savage mutation" with no mystical nature.
He was killed when Flash impaled him with a broom.
Powers and Abilities
Nanaue has super strength and can breath underwater. In most continuities he also has a powerful regenerative power. He appears not to possess it in Injustice, unless his death wasn't permanent.