King Shark is a supervillain appearing in comic books published by DC Comics. The character, also known as Nanaue, was created by writer Karl Kesel and artist Tom Grummett. King Shark's first key appearance was in Superboy #0 (October 1994) as a cameo before making his first full appearance in Superboy #9 (November 1994). The character serves as an adversary to Aquaman, The Flash, and Superboy.
