Sam

 'Just because I'm colour blind in what ever little sight I have left doesn't mean I don't dream in colour, It just makes me appreciate the colour of my heart and my soul even more." Sam to Diesel 2014 

First off
This is an original character, all rights to her belong to Fire-Cooking and credit for using her must be given.

Before Sodor
Sam was built along with one other engine for a collage project to create a clean steam engine, they failed but they were sent to a heritage railroad of which they were not the most liked engines but they proved their worth. One of the old fashioned foamers along the line hated the idea of modern built steam engines, one day he 'punished' Sam by attacking her with a mix of acid and bleach. He caused her permanent damage to her eye's, full blindness in one and colour blindness in the other, It also left a permanent green hue to her cheeks. She recovered after a long while. After a few years of working on the heritage railway she was sold.

On sodor
She was bought to do permanent shunting on Sodor, She now works along side of her best friends Eagle and Jessie.

Persona
Sam is kind and quick witted, she is still young and often messes up, she is strong for her size (Ex. Marklin is double her size and struggles with his trains, while Sam can pull the same trains with ease). She is a quick study, making her a sponge of knowledge. She get's along with males more than females but has a strong friendship with Rosie.

Romance
She couldn't care less, and honestly at this point she's way too young to really get partnership, but she does have a puppy crush on Ashton for some odd reason.