.The Bus depot Cat is a cat that belongs to The Luxton & District Traction Company. It's not revealed what the cat's name is or where the cat came from. The cat appeared in Canteen Trouble, when Stan pointed out to Blakey the cat was smelly. What the cat was doing there though is unknown though there are 2 explanations for it.
1. The cat could belong to Nobby.
2. The cat could live locally to the depot