Adeline is a diesel engine from the Dream Fleet Rail Co. She has made a few cameos in the series.
Adeline is of a freelance design. Therefore, she isn't based off an actual design. Emmeline also shares the same design as her.
Adeline is grey and purple with pink lips and brown pistons, roof, lining and nose.
- Adeline originated from the 2011 adaptation of 'The Little Engine that Could'.
- Soeren Hermansen was responsible for naming Adeline.