"I am," Sokka replies, grinning when he glances to Kaylee and then puts his eyes back on the generator, and the pride is there, obvious in his gaze. It wasn't his first invention and certainly not his biggest; he'd been more proud of the light and alarm system in Apocalyptica, his proudest had been the zeppelin.

But the generator... that was the first thing he built alone.

A pause and his grin is sheepish, laughing quietly at himself. "Even if my nephew was the genius behind the machine that'll take everyone home."