Mighty Mac is one of the unusual engines on Sir Topham Hatt's railway,he is equipped with a face at each end,one of the sides is called Mighty,as the other side is called Mac.
We first met them in "Double Trouble",and that was when they first arrived on Sodor.
They had not been appearing in Season 1 or Season 2,but they have appeared since Season 3.
Season 3: Double Trouble,
Season 4: A Mighty Branchline,
Season 9: Special Tunnel,
Season 11: Wooden Brakes
- Mighty: Look... Toad the Brakevan.
- Mac: But Mighty... Sir Topham Hatt told us to take the Sodor Line Caboose.
-A talk between Mighty and Mac. Double Trouble,third season.