Kirby is a lovable pink puffball, not only known for his ability to inhale enemies and copy their powers but also for his adorable whistle. The Kirby whistle is a unique feature that allows players to communicate with other characters, summon allies, or perform special actions in the game. With a simple press of a button, Kirby emits a cheerful whistle sound that can have different effects depending on the context. A fanart Kirby Whistles Sticker.