Belphegor (ベルフェゴール, Berufegōru), is an assassin working for the Vongola's independent assassination squad, the Varia. He is known as "Prince the Ripper" (Purinzu za Rippa). Once a prince of an unknown country at age eight, he stabbed his identical twin brother, Rasiel, presumably to death. It was later revealed during the Future Arc that this was not the case. Bel has a crescent-shaped birthmark on the right side of his stomach which mirrors Rasiel's. He is known as a battle genius, but his abilities only truly present themselves when he sees his own "royal" blood, which reminds him of the time he stabbed his brother. His eyes are never shown, but in Volume 24, Lussuria says that his eyes are both cool and loyal in his interview.
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