Thread:Moose513/@comment-25372003-20160311195219/@comment-25372003-20160402123920

They are:

I also thought:
 * Ryan & The Pranksters: When Sir Handel and the twins realize that Ryan is the only engine they haven't pranked yet, they decide to do so, with chaotic results.
 * A Joke Too Far: Skarloey loves to hide behind big trees and boulders and surprise any engine that comes near. But when he doesn't come home one evening, everyone starts to worry.