Sidney Navidad
Sidney is a blue diesel engine.


  • Sidney is a bit of forgetful diesel, he starts his day on one location, and ends in another, not remembering how he got there!
  • Sidney was one of the diesels that laughed at Percy's joke, in Day of the Diesel was seen very dark, it seemed black, but it's blue in pictures. 



  • Day of the Diesels (not named, laughing cameo)

*He may appear in the seventeenth season in 2013.

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