Galatea is a girl with light blond hair. She has a cream-coloured fairy outfit with darker cream-coloured wings shaped like treble clefs with gold trimming.
Galatea first appears in episode 4 of the third season then in the tenth episode. The Trix force her to take them to Alfea's spell chamber so they can steal its spells. Icy breaks Galatea's wings when she tries to escape. When Galatea tries to save the books in the chamber from a fire that Darcy starts, she is overcome by smoke. Musa saves her and earns her Enchantix and brought her wings back.
- The name Galatea means "She Who is Milk-White" in Ancient Greek.
- According to Greek Mythology, the King Pygmalion of Cyprus, carved the statue of a woman out of ivory but fell in love with it because of the statue's beauty. Aphrodite, the Goddess of Love, was touched by Pygmalion's love and his prayers to her and turned the statue into a living human being named Galatea. Pygmalion then married Galatea.
- Galatea is also the name of a Nereid (a Nymph of the Sea) of Greek Mythology. Galatea and Acis, a young shepherd, loved each other but Polyphemus, a Cyclops, also loved Galatea and killed Acis out of jealousy. Devastated, Galatea then turned the blood of Acis into a river of Sicily, the Acis River which flows past Akion (Acium in Latin) near Mount Etna.
- Galatea is also a name of a woman in Greek Mythology who was the wife of a man named Lamprus and who prayed to the Goddess Leto that her daughter becomes her son, and Leto changed the girl into a boy named Leucippus.