Genkotsu Boy (げんこつボーイ) (1974) Akutare Kiyojin (Giants) (悪たれ巨人 (ジャイアンツ)) (1976) Also known as Rowdyism Giant.
Genkotsu Boy (げんこつボーイ) (1974) Akutare Kyojin (Giants) (悪たれ巨人 (ジャイアンツ)) (1976) Tunnetaan myös nimellä Rowdyism Giant.