Harold (AEG)/Behind the Scenes

Background Information
Harold is a fictional helicopter created by the Rev. W. Awdry.

He first appeared in the first series episode The Can-Do Submarine Crew!, which first aired in 2022.

2D animated rigs
Harold in All Engines Go uses a series of complicated 2D rigs created by Nelvana Studio. These rigs are made up of different assets, which can be stretched, squashed and posed to create the desired movements and poses. Harold's movements are handled by an animation team, with a posing team to create specific poses as required for certain shots.

Harold's 2D design has undergone many changes from the design used in the original series:
 * He has a grey face rather than his face being embedded into his bodywork.
 * His paint went from white to cream.
 * In certain promos and through merchandise, he remains painted white. It is unclear as to why.
 * The name written on his sides has been removed.
 * While it is unknown the exact reason for this change, it is most likely so that the English names for the characters will not appear in other dubs.
 * He has a camera mounted to his front rather than a lamp.
 * He has blue irises.
 * He now has eyebrows.
 * He no longer has wheels under his floats.

Voice Actors

 * Jai Armstrong
 * Bruce Dow
 * Shinichiro Kamio