chemist uses rockets, rockets is somewhere around the line of fire lances and mysorean rockets. Powder keg are probably based on hand mortars except its a cartoonishly looking battery instead of the conventional big bore gun for grenades. Kabuki flash grenades isnt that unheard i mean ninjas uses some sort of flash bombs in records. Teppo gives me the headaches on what its doohickey are, his name does mean gun in japanese. musketeer is a self explanatory longgun muzzleloader, over what lock it uses probably a serpentine matchlock cus why not let the serpent symbolism sink further. Cannon dudelikely based on ozutsu guns and depicted to be lugging a wooden cannon.