Seigi Chōjin (正義超人, Justice Supermen) are Chōjin who use their powers for the sake of justice, mainly battling monsters in earlier chapters. There are said to be 1,000 of them on Earth. They were founded by Silverman. Particularly popular Seigi Chōjin are referred to as Idol Chojin (Kinnikuman, Terryman, Robin Mask, Ramenman, Warsman, Buffaloman, Geronimo, Brocken Jr., Wolfman, Ashuraman, Neptuneman).