Lucifer is the Avatar of Pride and is the eldest among the seven demon brothers. He is the Vice President of Student Council and the second hand of the future demon king Diavolo. Lucifer is very serious about his position as the leader, hates when his authority is questioned. He's usually overworked, commanding and unforgiving. He usually acts formal, but there is a malicious and sadistic side to him, which shows during his punisments.