![Mephisto](https://img.flawlessfiles.com/_r/400x400/100/ab/19/ab19f2fe8f906de4a988f9b66f990a65/ab19f2fe8f906de4a988f9b66f990a65.jpg)
Mephisto
メフィスト
A strange, cloaked man of unknown power. At one time he helped Kyoya and Sayaka, but he mostly observes the whole situation and doesn't take anyone's side. His weapons are scalpels.
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Demon City Shinjuku
Supporting (Role) OVA
![Yara, Yuusaku](https://img.flawlessfiles.com/_r/100x100/100/2d/47/2d47d48e967b94aa35ae250adffe8019/2d47d48e967b94aa35ae250adffe8019.jpg)
Yara, Yuusaku
Japanese![von Hauff, Walter](https://img.flawlessfiles.com/_r/100x100/100/b1/5e/b15e76098c7fad4c850df63ac7c76f93/b15e76098c7fad4c850df63ac7c76f93.jpg)
von Hauff, Walter
German![Maggi, Enrico](https://img.flawlessfiles.com/_r/100x100/100/a3/54/a3541a70c37081fb71bafc2326fe3762/a3541a70c37081fb71bafc2326fe3762.jpg)
Maggi, Enrico
Italian![Mieza, Alberto](https://img.flawlessfiles.com/_r/100x100/100/0c/11/0c117beb5a511944d035d8bce4b93825/0c117beb5a511944d035d8bce4b93825.jpg)
Mieza, Alberto
Spanish![Armstrong, Gareth](https://img.flawlessfiles.com/_r/100x100/100/3f/6d/3f6d56d1786e5b8136c3200995663d76/3f6d56d1786e5b8136c3200995663d76.jpg)