Una is a character from Edmund Spenser's epic poem The Faerie Queene. She is the daughter of the Fairy King and Queen, and is a symbol of chastity and purity. Una is the protagonist of the poem, and she embarks on a quest to save her parents from the evil dragon, Errour. Along the way, she meets a number of characters who help her in her quest, including the Red Cross Knight. Una is a strong and courageous character who ultimately succeeds in her mission.