The commissioners wanted a character that represented the negative voice in out head. They wished it to have a rucksack. After a lot of though i made the creature grow out of a rucksack... like a snail i thought.... and then it became a kind of dragon-creature-rucksack. Made to look like the rucksacks the commissioners use. The brimstone fumed fire, is the awful things it tells us to lower our spirit and self esteem. The evil little critter...