Keita Ooba (大葉圭太) is a main character in DEAD DEAD DEMONS DEDEDEDE DESTRUCTION, voiced in Japanese by Miyu Irino. The series' music includes "SHINSEKAIより / ano × 幾田りら", "Dead Dead Demon's Dededede Destruction I Ending『 Zezezezettai Seiiki 』by ano".