Marquis Kane

Marquis Kane (マーキス ケイン Mākis Kane) is a Demon, formerly known as Balthazar (バルサザー Barusazā), that has taken on a human form and taken residence in the human world. Known as the Demon Prince (魔王子, Maōji), for his sheer power, Marquis was feared within demon society before he went AWOL.