Azul is a small, cabless tender engine who lives at Kahlville Junction. Azul, a little Hispanic locomotive, isn't as busy as some of the other engines, but he still works hard with his deliveries of slate from the Denverville Mining Company, and will always be ready to pull passengers and tourists along the line. While he sometimes stays with the rest of the F.&F. R.W.T. Co. Ltd. engines, he lives at Greendale Junction with the Greendale Rocket,