Oh, I like the routine. Working hard every day... It's important work, and important to feel important! You could say that I'm the backbone of the operation.

[If she doesn't know he's a skeleton, that's fine. Stealth puns are the best puns, after all. Finely aged, punchlines sneaking up on the unsuspecting...]

But you're otherwise correct! The others are all cinders. I assist, and coordinate, and keep up their morale!

[Do the cinder spirits have morale, or care when he gives them encouragement? The world may never know.]