| Clue | Source | Date |
|---|---|---|
| Sci-fi sidekick ... or a hint to 42- and 53-Across | New York Times | 21 Apr 2021 |
| Sci-fi character who claims fluency in more than six million forms of communication | New York Times | 06 Sep 2019 |
| Sci-fi character who claims fluency in more than six million forms of communication |