Beelzebub (ベルゼブブ Beruzebubu) is one of the children of Satan, they are the eighth-strongest of the Eight Demon Kings holding the title of King of Insects (昆の王 Kon no Ō), and the older half-sibling of Rin and Yukio Okumura. Beelzebub is one of the smallest amongst the Demon Kings, appearing …