| Clue | Source | Date |
|---|---|---|
| Lassie, Scooby-Doo and others | The Telegraph Cross Atlantic | 05 Jul 2025 |
| Wearers of collars with their owner's number on them | New York Times Mini | 28 Sep 2024 |
| Canines with microchips | USA Today | 02 Jun 2024 |
| Ones seeking table scraps, maybe | New York Times | 18 Jul 2020 |
| Nana and Toto | LA Times Daily | 04 Aug 2019 |
| Nana and Toto | The Washington Post | 04 Aug 2019 |
| Nana and Toto | ||
| Lassie and Marmaduke, e.g. | ||
| Parts of many households |