The Fat Controller

Personality
The Fat Controller is firm but fair. He can be strict, but also shows a fatherly side to the engines. The Fat Controller is quite a strong character and will remind the engines that he is in charge when they start to rebel against his authority. He doesn't stand bullying and even though he is usually serious, he does enjoy a good laugh.

Despite his kindness and fairness, there are times where the Fat Controller berates the engines for situations beyond their control.