Belphegor (ベルフェゴール) is a fictional character in the manga/anime series “Katekyo Hitman Reborn!”. He is the resident genius prince of the Varia and its youngest member. Belphegor is the holder of the Ring of Storm. His nickname is "Prince the Ripper". He is voiced by 藤原祐規 (Fujiwara Yuuki).