Shark

Golden Age Origin
The son of Father Neptune, he is dubbed the Shark or Shark-Man humans(because he is often seen in the company of large, man-eating sharks). He lived in an undersea kingdom, but set out to fight against all crimes committed at sea. His abilities and powers include the ability to live underwater, is a skilled hypnotist, inventor and, skilled swimmer ( thanks to webbed hands and feet). Also, he has superhuman strength ("strength of 10 whales"), is able to create illusions out of water (usually used to make doubles of himself), and was invulnerable while in water. However, he possesses normal human strength out the water unless he is carrying a magical knife given to him by his father. The knife gave him over command water and the ability to teleport through it. his enemies include Dr. Cloud, Fritz von Holz, Captain Gottfried von Slagian, and Prince Zog of Mars.

Golden Age Appearances

 * AMAZING MAN COMICS #6-22
 * STARS AND STRIPES COMICS #2-6