Batreaux

Batreaux is a character from The Legend of Zelda: Skyward Sword. He is a bat-like demon who lives in a shack below Skyloft. Despite his frightening appearance, Batreaux is a friendly demon who has befriended Kukiel. He desires Gratitude Crystals, which he believes will make him human. Because of this, Link can trade Batreaux Gratitude Crystals for various prizes.