Some trivia from GameData.as. Age possibly affects food and water needs; I haven't followed the formulas closely enough to be certain.
The NPCs below are listed in order of their special portrait (starting from 2).
| NPC | Age |
|---|---|
| Lois | 24 |
| Spencer Rice | 53 |
| John Patson | 52 |
| Kevin A | 20 |
| Samantha Stone | 26 |
| Olaf | 45 |
| Sigurd | 30 |
| Chairman Brass | 30 |
| Emilia | 30 |