 Diavolo's close friend and right-hand man, keeps the brothers together, by force if necessary, Avatar of Pride, sadism is evident in his punishments. However, despite being so uptight, he still makes an effort to joke around with his brothers, especially when it comes to teasing Mammon - who the other brothers say he has a soft spot for., Lucifer has sworn utmost loyalty to Diavolo, Student Council Vice President, gay for Diavolo, calls Diavolo  'Lord Diavolo'