Crystal is an eleven-year-old swimmer. She has shoulder-length blonde hair and blue eyes. She always wears a pink one-piece swimsuit with yellow flowers on them, a violet long-sleeved rashi with a pink love-heart in the middle, a pair of fuchsia long-sleeved togs with flowers of different colours on them, a pair of purple swimming goggles with pink frames and blue straps, an amaranth swimming cap with watermelon slices on it, a pair of lavender rubber gloves and a pair of indigo swimming shoes. She is a student at an all-girls boarding swimming club and has 3 other eleven-year-old girls in her class named Isabel, Coral and Glenda.