Lady the Tank Engine is the fastest train on earth!
Join her and her friend Thomas the Tank Engine as they defeat their biggest enemy D261 and his two henchmen James and Henry (with Percy often).
- Lady as Sonic
- Thomas as Tails (Thomas and Tails both followed Lady and Sonic)
- D261 as Dr. Robotnik
- James as Scratch
- Henry as Grounder
- Percy as Coconuts
- Molly as Breezie
- Toby as Robotnik Jr.
- Bluenose (from TUGS) as Pseudo Sonic
- Ten Cents (from TUGS) as Lucas
- Lillie Lightship (from TUGS) as Catty Carlisle
- Pearl (from TUGS) as Mama Robotnik