Samurai has a dude with a bandana, if it is covering his eyes like mortal kombat il have a new main, as for weapons, SAMs could get sai's or nunchucks please for the love of god let it be nunchucks, or a straight out staff. Vikings could have a war hammer, spiked mace Knights could have a sword shield combo, war hammer, or twin wield sword but I think that would be to similar to peacekeeper. A double sided axe, or pike.