Pickles is the former cat of another tennant in Joey and Phil's apartment. He was first introduced in the episode Bear Warrior (episode) as a plate of freshly prepared bacon prepared by Bear Warrior.
Pickles is later seen in the following episode Strip Teased
on a missing cat flier.
Pickles is played by Joey Reinisch's cat, Robot. According to an episode of The Destructo Boxcast, Robot is a jerk.