Marina is a 10-year-old superhero called 'Swift Swimmer'. She always wears a blue long-sleeved full-body rubber wetsuit with a lightning bolt in the center, a pair of pink swimming goggles, a pair of light blue rubber gloves, a dark blue swimming cap, a pair of blue flippers, a blue superhero cape, a pair of blue nose-clips and a cyan snorkel. She has the power to swim incredibly fast underwater.