The Seabreacher X, also called the Jumping Shark, is a hydrofoil/submersible capable of maneuvers no other watercraft can hope to match ... if they know what's good for them, at any rate. Check out the video of this beast in action.
The Jumping Shark can travel above water at 50 mph and under it at 25 mph. It can leap up to 16 feet in the air, and -- as if you even had to ask -- of course it can do a barrel roll! Ninety percent of villainy is in the presentation, and when you "present" this baby at your next caper, you can bet the water around Aquaman will suddenly get a little bit warmer:
Nose-mounted machine guns sold separately.