This is Number 11.
This is Number 12.
Mighty Mac is a Blue Double-Ended Fairlie Locomotive who Works on The Skarloey Railway.
Mighty Mac is One of The Unusual engines on Sir Topham Hatt's Railway, He is Equipped with a face at Each eEnd,One of The Sides is called Mighty, as The other side is called Mac.
- Mighty: Look... Toad the Brakevan.
- Mac: But Mighty... Sir Topham Hatt Told us to Take The Sodor Line Caboose.