성별 : 남성
생일 : 정보신청
키/몸무게 : 정보신청

Shinnosuke's Grandfather is deceptively weak, or at least he seems to be. He always seems to muster up enough strength to unleash his Megaton Punch when his grandson forgets something important. Grandfather raised Shinnosuke and has seen that he gets the Water of Life when he becomes too weak.