(lord) Katsu - their employer;
Shimada - the grumpy scarface teacher samurai;
Wada - second teacher;
Ushigorou - mc;
Yonekichi - fatso, main bro of mc;
Ichizou - second place in poo squad, mustache guy;
Wasaburou - tanned fatso, kind soul;
Genji - big-lip guy, lost several of his fingers;
Umekichi - lewd guy that eloped with one of Imura's whores;
Chiyomatsu - tryied to start poo business with Wasaburou;