Jan used to travel all the world.
He was traveling to get his thoughts straight. for years he was suicidal and didn't like the world as it was.
He didn't like the way how the world was turning and was thinking about ending himself, the only thought that kept him alive was: I don't want anyone to not go with me to the next hell.
fortunately the outbreak came and he was actually glad that a lot of fucked up people would be punished.
He is glad that so many people died and only the strong humans survived.

The weak will perish and the strong will live.
Like the human race should be, the natural instinct of the human race has been suppressed to long by rules and laws.
Peoples beast instinct should be unleashed again and so it did.

He admires the strong and dislikes the weak like a wolf in the wild.
Who isn't fit to be strong should be removed from the pack of the human race.
 

Characteristics:
*He is a honest man who doesn't turn around the bush.
That is also due to his Dutch nature. 
* He can be nice at one time and be aggressive the other.
* A mayor drug addict.