"There you are! You were hiding from me! Good job finding him, Little Dia," Diarmuid grins at the butterfly who circles happily once around his head before settling on his shoulder.

That should at least answer the question of who it belongs to. As for the other question...

"This is for you, Lord Nar... Na-ru... Lord Yu!"

Yeah, he's not getting that last name anytime soon. Sorry about that Yu.