Lon is Oriel and Lester Lamb’s youngest son He’s an infant at the beginning of the novel, but as he reaches childhood, he considers his mentally impaired brother Fish to be the baby of the family, despite Lon being the younger of the two. Over the years, Lon grows to become a rude and lazy young man who’s annoyed by Fish’s childlike behavior. Lon marries a girl named Pansy shortly after getting her pregnant, and the two of them and their baby live rather unhappily at Cloudstreet.