Rufus Lucifer is one of the characters appearing in Highschool ExC. He is the son of Rizevim Livan Lucifer, and the direct descendant of the Devil King Lucifer, being the latter's grandson. He is also the father of Vale Lucifer, seeing her as nothing more than a weapon, while simultaneously being afraid of his daughter's potential which surpasses his. He is also a member of the Khaos Brigade's Qlippoth, being third-in-command.