Plutonium generally goes with the crowd, but hates to have to go along with something they disagree with. If you do something to them, they won't forget. Despite that, they're decently competent with kids. Among the elements, Plutonium is up there as one of the worse hide and seek players to exist due to giving off a painfully obvious glow and warmth. They have made 4 attempts to build the sandpaper conveyor belt room, none successful.
| Mental age | 23 |
|---|---|
| Gender | Non-conforming |
| Pronouns | they/them |
| Positive relationships | Hydrogen, Helium, Beryllium, Carbon, Fluorine, Iron |