Old Man Thunder (カミナリオヤジ, Kaminari Oyaji) is a resident of Hell.
Biography[]
While Rinne was fighting Masato who lured him to Hell, he accidentally broke the window of this demon’s house, which enraged the demon, although Rinne managed to avoid his attack. Later, in his rage for having used all his savings because of Rinne, Masato then accidentally broke the window of the demon’s house again, which enraged the demon knocking him on the head.