Haiden Ou (ハイデン王) is a supporting character in Clevatess, voiced in Japanese by Jun Hashizume. The series' music includes "Clevatess Opening | "Ruler" by Mayu Maeshima", "TVアニメ「クレバテス-魔獣の王と赤子と屍の勇者-」ノンクレジットED".
