Massimo Volpe(マッシモ・ヴォルペMasshimo Vorupe) is the main antagonist of the light novel Purple Haze Feedback. As the lead developer of Passione's Narcotics Division, Massimo was primarily responsible for creating the drugs the Boss would sell to addicts and children. He later becomes the archenemy of Pannacotta Fugo, who is assigned to assassinate Massimo to reclaim Giorno's trust.