Garth is a fictional character, a superhero in publications from DC Comics, originally known as Aqualad, and later known by the codename Tempest. As Aqualad, he was the teen sidekick and protégé to his guardian, the super-hero known as Aquaman, bearing the same super-abilities as his mentor that allow him to breathe underwater and communicate with marine life. He also possesses enhanced strength and speed that allow him to move through the ocean with relative ease as well as withstand the high-pressure depths of the ocean.