Spencer is a rather haughty silver engine. He loves to race across the countryside, carrying his graces, the Duke and Duchess of Boxford. Spencer is quite a snob and likes to boast about his speed to the other engines, which can often annoy them. However, Spencer isn't all bad and will always try to prove his best at any job he is given...even if they're not up to his standards. He speaks with a Posh, upper-class English accent.