An Another with two horns on each side of his head. Like Azazel, he's also clad in black clothing and has long hair.
Azazel 's long-time friend. He asked Azazel, "Can a happy marriage with a human woman exist?" and concluded that it was impossible. However, Azazel fell in love with a human girl at that point and said that it was possible, and says he'd prove it. Then it's been a long time, but while watching Azazel, Belphegor concluded that Azazel is unable to prove it.