Balthalzar Arthur (バルタザールアーサー Āsā Barutazāru) is an exceptionally skillful, and powerful young man who bears his allegiance currently to the Marines; operating as an official Rear Admiral, respectively. He his deeply revered by many Marines among them are his peers, subordinates, and even his superiors. Prior to holding the position of Rear Admiral, he held the position of Marine Commodore, as one of the most powerful marines within the aforementioned rank. Subsequently, Arthur's prowess cultivated, consequently allowing him to advance into the ranks of an official admiral. Not solely his abilities allowed him to be progress into next rank, but his stalwart demeanor, and intelligence as well.