Born in darkness, clad in darkness... Dark Magic Knight Wolzard!

―Wolzard's role call[src]

Isamu Ozu (小津 勇 Ozu Isamu), real name Blagel [Citation needed]from 22 April 2023 (UTC), or Buraijyeru[1] (ブレイジェル Bureijeru), is the ultimate warrior and champion of the Heavenly Saints who wields power over the Ferocious, Raging Fire Element (猛る烈火のエレメント Takeru Rekka no Eremento). He is the ideal father of Kai Ozu, Tsubasa Ozu, Urara Ozu, Houka Ozu, and Makito Ozu, the husband of Miyuki Ozu, and the mentor of Sungel (later father-in-law), Lunagel, and Raigel. He was well-loved by his allies and family and even though he was their greatest enemy, he was respected among the ranks of the Underground Hades Empire Infershia.

He is also known as Heavenly Hero Wolzard Fire (天空勇者ウルザードファイヤー Tenkū Yūsha Uruzādo Faiyā) of the Magirangers.