The longest lasting character, Birch Lasagna, was accidentally killed by main character Felix Kjellberg during a livestream under the false belief that it would grow back taller.
It has been stated multiple times that the series would be cancelled as soon as Sven (one of the lead characters) has been killed off. Despite around half a dozen close calls, this has yet to happen, leading to some believing Sven is, in fact, immortal.
PewDiePie started this series as a noob but came to be an extreme player
There was an 11 day gap between Episodes 30 and 31 due to Felix's recent marriage and subsequent honeymoon.
Svenson's collar is green because his parent's collars are blue and yellow. When these two colors are mixed together, they form green.