|This article is about a/an kaijin in Kamen Rider (Skyrider).|
He targets middle school athletes and brings them to Hell Valley to make them into assassins for the upcoming Junior Olympics. Taking advantage of Sanshoujin, Tsukuba manages to save the youths and manage to get them to safety. However, Sanshoujin captures Jiro, one of the young athletes, to kill SkyRider for his interference. However, Sanshoujin is Sky Kicked onto one of his electric hurdlers and is vaporized.
Having been modeled after a Japanese giant salamander, Sanshojin is armed with a whip and can travel via water.