Introduced in 1994’s Superboy #0, King Shark, a.k.a. Nanaue, is said to be the son of the Shark God, and he flip-flops between being a straight-up super villain and a tragic anti-hero. His abilities include superhuman physical attributes across the board, breathing underwater, enhanced senses, a regenerative healing factor and, of course, razor-sharp teeth.
Article source: https://www.cinemablend.com/news/2471568/james-gunn-and-michael-rooker-may-be-re-teaming-for-suicide-squad-2