or rattle What does "or rattle" mean here: "... she also included less harmonious names such as Mr. and Mrs. Knarr, or rattle, for her grandparents"This is the comple patagraph: Paulinka Bimbam, Dr. Singsang, and Professor Klingklang are some of the more playful character names, but she also included less harmonious names such as Mr. and Mrs. Knarr, or rattle, for her grandparents. For her own parents and herself, she creates the Kann family, which means ‘‘able,’’ suggesting a kind of pragmatism, but also a will to act.