The Greendale Rocket is a small tank engine who lives at Kahlville Junction. The Greendale Rocket, known as "G.R." for short, is the headlining engine of the Greendale Light Railway branch line, which runs from Kahlville, through the forests to the small village of Greendale (where the line splits to the Denverville Quarry), all the way to the Gridinia beaches, She is small, but reliable, and always busy running passengers and mail up and down the line, with the help of her driver Ajay. 