Duck

DUCK is a GWR 5700 Class Tank Engine who works on his own branch line. He is commonly seen working on said branch line with Oliver.

Appearance
Duck is a green GWR 5700 Class Tank Engine with the letters "GWR" painted on his sides, and the number 8 painted under cab.

Personality
Duck knows how to stand up for himself when he's being bossed around by other engines. He is proud of his Great Western heritage, and likes to do things the correct way, with no excuses. His work ethic earned him his own branch line.

History
Duck has made many cameo appearances in many episodes.

Trivia

 * His real name is Montague. Other engines call him Duck because they say that when he moves, his side tanks make it look like he's waddling.