King Shark, also known as Nanaue, first appeared in Superboy #0 (1994) and was created by Karl Kesel. He is a powerful humanoid shark that has a near-insatiable hunger for destruction.

Nanaue, aka King Shark (voiced by Diedrich Bader) The new members of Task Force M that Waller added at the end of the season finale include She-Bat, Nanaue aka King Shark, and an upgraded version ...

King Shark first appeared in 1994’s Superboy #0, ... King Shark’s real name is Nanaue. At first, everyone believes him to be some kind of mutated great white shark.