The Sandfleas are a fictional gang of masked hooligans within the mythology of the superhero-themed American comedy band The Aquabats, who featured prominently as the latter's "arch enemies" in their stage shows and related media during the late 1990s.

As part of their comic book-inspired superhero aesthetic, The Aquabats have maintained an elaborate fictional mythology and origin story centering on their persona as costumed crime-fighters since the earliest days of their career, including an extensive roster of recurring villains who play into the band's live shows in mock fight scenes and comedic skits.

and 1999's The Aquabats vs. the Floating Eye of Death!, the band's 1997 coloring book, the 1998 7" picture disc single Ultra Kyu vs.

"They played awful surf/Christmas songs and received a violent response from the audience who were expecting the Aquabats", Jacobs recalled, "It was after that, (97?)

One of the more consistent early line-ups featured Jacobs, Jared Terry (brother of Boyd Terry), original Aquabats guitarist Ben Bergeson, Jamie Morris and Brian Cole, most of whom went on to form the instrumental surf band The Moon Monkeys when Jacobs left to tour with The Aquabats.

Following Parker Jacobs' resignation from full-time creative involvement with The Aquabats in 2000, The Sandfleas eventually disappeared from the band's live shows and mythology.