iv seen whole series of human weapon and i agree duff is real troll 
and if there has to be some joker of marital arts it will be certenly him, i nearly shit my pants when i seen that ko what he recive from that tkd champ
any way if you like human weapon you will certely love fight quest, its similiar show but i think the hosts are better…
but i thnik in here you all will know that series anyway