Hell's Musician (Hazbin Hotel x (Alastor's long lost Brother) Male Reader

Many have hear of Alastor , aka "The Radio Demon", mainly because of 2 reasons. first being that he is one of the powerful overlord hell has ever seen and secondly, he was engaged to Charlie. Yet another name was being more commonly heard around hell..."The Music Demon". Not a lot of people even know what he look like...