Percy is the number 6 green tank engine.
Percy is primarily based on an Avonside 0-4-0ST with the body of GWR 1340 Trojan, the bunker of GWR 1361, Hunslet underframes and valve gear, a smokebox protruding from his saddletank, external cylinders and motion, and sandboxes underneath the tanks on his footplate.
Percy is painted NWR green with NWR red-and-yellow lining and a "6" painted on his bunker sides in yellow.
Dockyard Tales (mentioned)
The Search For The Controllers Part 1 (does not speak)
The Search For The controllers Part 2 (does not speak)
- Percy was originally intended to have a larger role in Homesick, but was replaced with Duck for unknown reasons.
- He was also originally to appear in Rosie, Jacob, Sierra, and the Troublesome Trucks but was replaced with James for unknown reasons.