Puffer is very kind, and he is also a friend with Pete and Jenny's friend. And they work hard together. But when it comes to trucks, Pete sorta keeps them in shape, but can sometimes lead to accidents.
Puffer is a GWR Avonside 0-4-0ST tank engine with a coat of gray paint and his name printed in light grey lettering.
- GE M134 Minigun
- Yellow Lightsaber
- He is also good friends with Pinkie Pie, Human Pinkie Pie, Mako and Pepper Clark.
- Puffer makes his appearance in Thomas and Twilight Sparkle's Adventures of Star Wars Episode VI: Return of the Jedi