Vector was a wolf abused as a pup by his previous pack - and grew to resent them. After leaving his home, he survived a season as a lone wolf, before meeting another (much more hopeful) outcast, Raster. They became quick friends, and soon a pair relationship blossomed between the two male wolves. This not welcomed in many packs, so they remained a duo for several seasons, before eventually stumbling upon the Sisters while facing hardships of injury and sickness. They were taken in by the pack, and soon enmeshed themselves into the pack lifestyle - particularly by pupsitting litters during the pack's first puppy boom.
However, Vector continues to be the quieter, more somber one of the two - and keeps to himself most times.
Pupsitter 
Pupsitter