Sophie Walten, the central figure in The Walten Files, is the daughter of Jack and Rosemary Walten and the older sister to Edward and Molly Walten. She resides at the Entfernt Hotel, sharing a room with Jenny Letterson. Her personality is marked by anger and irritation, inherited from her father. However, her relationship with Jenny undergoes a positive shift by 1982, with her displaying lightheartedness and laughter when around her. Sophie's physical appearance is also notable, featuring a massive rear end and sizeable chest.