A dignified Japanese engine who becomes Thomas's close friend.
Thomas becomes Hiro's main protector and restoration partner.
Thomas promises to keep Hiro's identity secret and works to restore him as the Master of the Railway.
The controller ultimately has authority to protect Hiro's future.
Hiro fears that the controller will discover him and scrap him, but the controller later reassures Thomas that he would never scrap the Master of the...
Kevin assists with Hiro's mechanical restoration.
Victor and his assistant Kevin the Crane work together to restore Hiro at the Steamworks.
Their cooperation extends Hiro's restoration into a rescue effort.
Once repaired, Hiro works with Rocky the Breakdown Crane to rescue Spencer.
Explore the full interactive character relationship map of Thomas & Friends: Hero of the Rails
Related entry on Wikidata (Q133883114), public domain (CC0).