Luke

Luke is a green Irish narrow gauge engine who works at the Blue Mountain Quarry.

Models

Luke's first and second prototypes depicted his wheels with white rims.
Luke's first, second and third prototypes depicted him with six wheels, when he actually has four.
His second prototype had a green roof, whereas his final model gained a black roof.
His third and fourth prototypes have green wheels, whereas his final model gained black wheels.
His final model gained correct wheels, but lack the buffer detail that his first and second prototypes had.
Luke's model has the most prototypes known of any item, with a total of four.
Luke was originally planned to be released in 2012, but was delayed by Fisher-Price buying the Thomas Wooden Railway range and was released in 2013.
The picture on the back of his box depicted his fourth prototype.