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Aaroniero's face is usually concealed behind an elongated, white mask covered with eight holes. He dons this while in the light and also while around his fellow Espada, as he has grown weary of questions and offhand remarks regarding his appearance. In place of a normal head, he has a large, cylindrical glass capsule filled with red liquid, with two small Hollow heads suspended within its confines. The two heads are both tattooed with the number 9 and tend to talk in tandem when revealed, giving the effect of two people speaking in turn. The upper head speaks with a deep voice, while the other speaks in a high-pitched, childlike voice. Each head appears to have its own level of individuality.His outfit, like that of most Espada, is customized: he wears a dress garb that covers his entire body as opposed to the normal jacket and hakama. He also wears a frilly nobles' coat that acts as his replacement jacket and a single white gentleman's glove. The remains of his Hollow mask are on both of his heads, the upper head having three-quarters of itself covered with the mask, and the lower head having only half of itself covered. His Hollow hole is located in the left thigh area.