Brook

Miuccia Miuller

ミュッチャー・ミューラー
Introduced in a way that she appears to be an inmate, Miu Miu is actually the head guard in charge of the visiting room and front gate areas of the Green Dolphin Street Prison sent out to make sure Jolyne Cujoh does not meddle with Enrico Pucci's affairs anymore. (Source: JJBA Wikia)