Susan Pevensie is a fictional character in C. S. Lewis's The Chronicles of Narnia series. Susan is the elder sister and the second eldest Pevensie child. She appears in three of the seven books—as a child in The Lion, the Witch and the Wardrobe and Prince Caspian, and as an adult in The Horse and His Boy. She is also mentioned in The Voyage of the Dawn Treader and The Last Battle. During her reign at the Narnian capital of Cair Paravel, she is known as Queen Susan the Gentle or Queen Susan of the Horn. She was the only Pevensie that survived the train crash on Earth which sent the others to Narnia after The Last Battle.

Peter Pevensie is a fictional character in C. S. Lewis's The Chronicles of Narnia book series. Peter appears in three of the seven books; as a child and a principal character in The Lion, the Witch and the Wardrobe and Prince Caspian, and as an adult in The Last Battle. He is mentioned in The Horse and His Boy, in which he is away on the northern frontier fighting giants, and in The Voyage of the Dawn Treader, in which he is studying under the tutelage of Professor Kirke.