Nutcracker is a sentient toy dwelling within the story's castle setting, categorized among its mysterious inhabitants. Created exclusively for the film adaptation, he has no origin in the source mobile game. He serves as one of several companions encountered by the amnesiac Alice during her castle sojourn. Alongside residents like Fragrant Sachet, he participates in events revolving around nurturing a magical tree through piano music—a mechanism driving Alice's progression. His presence contributes to the ensemble of characters interacting within the castle's fantastical environment.