Sheeno
- Shiino (シーノ Shīno)
- Jakō's younger son. He is responsible for the death of Shōki but Kenshiro later kills him with his own murder weapon. In the TV series, he is replaced by Boltz.
- He is the first boss character in Chapter 2 in the Sega Genesis videogame Hokuto no Ken 2 and relative western port Last Battle, in which he's coloured dark blue instead of black. When he dies he appears to succumbs to the effects of Hyakuretsu Ken.