The Defenders

The Defenders are a group of engines who fought for New York, and still do to protect it from the Hand. They are a group formed from four Locomotives; Additionally, there are minor characters that these four know that tie into the Defenders group, including Claire, Colleen, Malcom, Misty, etc.
 * Matthew
 * Jessica
 * Luke
 * Danny

After finding out about possible hand invasion to Adriana County, they are purposely purchased/loaned to Adriana County, but Trainmaster Claims he never purchased them, until he sees a fake order letter written by Jessica claiming they were sent by NS.

Trivia

 * The group is named after the Marvel Group of the same name, but based off the Netfilx/Marvel Cinematic universe rather than the original Comic.
 * Luke is the only NS engine in the Defenders (out of the Four main subjects.)
 * Danny, Jessica, and Matthew's basis's have not been revealed.