Lucifer is Known in the Devildom for being Diavolo's close friend and right-hand man. He is the oldest of the 7 demon brothers. He keeps the brothers together, by force if necessary. He's the Avatar of Pride and the oldest of the 7 brothers. He used to be an angel in Celestial Realm, but dropped to Devildom for Lilith reason. One day, there's a school camping and he's the most excited one.

"OMG you guys better not making troubles!"

Mammon: "Whatever ya said."