Frankie

Frankie is a diesel shunter who works at the Steelworks on the Mainland along with Hurricane.

Trivia

 * Seen in a behind the scenes photo, Frankie was originally going to be painted blue and yellow.
 * Frankie is the first engine of several things:
 * The first female diesel engine in the television series since Mavis, and the first female diesel to originate in the television series instead of the Railway Series.
 * The first main antagonist of a special who is female.