Male
John Challis can be seen using the following weapons in the following television series:
| Character | Firearm | Notes |
|---|---|---|
| Scorby | SIG P210 | "The Seeds of Doom" |
| Scorby | Walther PPK | "The Seeds of Doom" |
| Scorby | IMI Uzi | "The Seeds of Doom" |
| Scorby | FN FAL | "The Seeds of Doom" |