Duck

Montague, affectionately known as "Duck" because of his supposed waddle, is a green pannier tank engine. He was the main antagonist of the SC Shorts from 2019, but ever since 2020, he has become a loyal supporting character.

Biography on YouTube
Duck's first appearance on Sammy Clark's YouTube channel was in the video, "Thomas and Friends: Culdee and the Mountain Bridge", and his first appearance in the SC Shorts was in the pilot episode, "It's a Special Day on Sodor!".

Personality
Duck is cheerful, busy, mature, and tends to bustle about. He is very proud of his noble Great Western heritage, often claiming that "there are two ways of doing things: the Great Western way, or the wrong way", occasionally to the annoyance of the other engines.

At some point during 2014, Duck watched a fan-made Thomas film titled, "Tobias And The Half Pariah." After watching the movie, his personality took a turn for the worse. After watching on how he was portrayed in the movie and how Toby killed him in the end, Duck was enraged. And from that point on, Duck swore to kill Toby and to take over Sodor once and for all. Although he was secretly evil, Duck hid away his malicious attempts whenever he was around Toby or any of the other engines. And when accidently saying something malicious and having one of the engines ending up questioning him on what he just said, he just ends up dodging their response by changing the subject.

When Duck and his army kidnapped Toby, Thomas and his army went after them to stop their evil plan. Luckily, they did in the end and Duck's evil doings were put to end at last. This resulted in Duck getting his branch line taken away by Sir Topham Hatt and being sent to an old shed on Thomas' Branch Line. And throughout the next few months of being in that shed alone, Duck thought about how he acted towards his friends. He soon realized his errors and wanted to make it up to his friends by stopping his evil doings and go back to being a really useful engine. Over the next few months, Duck gradually gained some respect back from a few engines like Toby, Mavis, and Rebecca, but other engines like Gordon and James still resented him. He soon proved his worth when he saved Toby and James from nearly having a collision due to Diesel's devious deed. And now, Duck has his old life back again of being a really useful and reliable engine.

Trivia

 * Duck is the first and only steam engine in the SC Shorts to be a main antagonist as of now.
 * Duck can travel through different dimensions.
 * In "Thomas Through Time", Duck's Learning Curve Wooden Railway model was replaced with a Mattel Wooden Railway Duck model.