Lucy Pevensie is a fictional character from C.S. Lewis's series, The Chronicles of Narnia. She is the youngest of the four Pevensie siblings and first discovers the magical land of Narnia through a wardrobe in the book "The Lion, the Witch and the Wardrobe." Lucy is known for her bravery, kindness, and strong sense of imagination. In Narnia, Lucy befriends Mr. Tumnus, a faun, and later becomes a key figure in the fight against the White Witch. Throughout the series, she demonstrates loyalty and courage, often serving as a moral compass for her siblings. Lucy's character embodies the themes of faith and innocence.