Toshikazu Hazamada (間田 敏和 Hazamada Toshikazu) is a tertiary antagonist featured in the fourth part of JoJo's Bizarre Adventure, Diamond is Unbreakable. He is introduced as an antagonist in the "Toshikazu Hazamada (Surface) story arc and reappears in a supporting role in the "Let's Go to the Manga Artist's House" arc. Hazamada is initially a malevolent Stand user given power by Keicho Nijimura before being neutralized by Josuke Higashikata and Koichi Hirose.