Sir Bertam Topham Hatt (born 1958) is the controller of the railway. He has a jolly brother named Sir Lowham Hatt and a wife named Lady Hatt.
Sir Topham Hatt is the controller of the whole railway, he makes sure the engines are on time.
- Season 1: The Trouble With Trucks
- Season 2:
- Season 3:
- Season 4: Clumsy Culdee, S.C. Ruffey and The Foolish Freight Cars, Rickety's Revenge
- Season 5:
- Season 6:
- Season 7:
- Season 8:
- Season 9:
- Season 10:
- Season 11:
- Season 12:
- Season 13:
- Season 14:
- Season 15: Toby's Turntable Fable, For Whom The Belle Tolls
- Season 16: Sweet Sixteen, Bulstrode Barges In, Bad News Bear, Bowler Strikes Again, Paxman Pulls Through, Knock it Off, Stanley
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