King Shark is a fictional character appearing in comic books published by DC Comics. He is a humanoid shark with superhuman strength and durability, often portrayed as a villain or anti-hero. King Shark first appeared in The Flash #139 in 1994 and has since become a member of various superhero teams, including the Suicide Squad. King Shark is known for his unique appearance, featuring a shark head and a muscular body. He is often depicted as a formidable opponent, using his aquatic abilities and sharp teeth in combat. The character has gained popularity through animated series and films, including his role in the Harley Quinn animated show.