While Thomas was running his branchline, he saw Percy with a sad face.

Thomas: *Stops at a station* What's the matter Percy?
Percy: There's a disease going around Sodor called Brandonitis.
Thomas: What's that?
Percy: It's a disease that makes tu speak in a southern accent, just like how Michael Brandon would speak in a southern accent, if he was providing the voices for most of the characters.
Thomas: Oh yeah, I remember that.
Percy: So far, the only engine that got it is Emily. Thankfully, it's not contagious, and it's very difficult to get.
Thomas: How do tu get Brandonitis?
Percy: If your...