Though everypony has one true calling, who’s to say that everypony can’t also have a few hobbies they’re quite good at too? Such is the case with Diamond Bolt, a Pegasus engineer who also happens to complete the trio of Feather Blaster.
Diamond Bolt is constantly out on the road due to either repair calls or band gigs, so he built himself a helper to keep his house in order. Diamond Bolt asked Rarity to help him find Diamonds to make the little guy indestructible, and she delivered.
Diamond Bolt is currently in the midst of repairing the last of the blown amps for Feather Blaster, and eagerly awaiting returning to Ponyville to get to see the mare he’s admired for quite a little while.