that sounds pretty hard to do. oh and uh.. maybe you can import the hammer from kirby and vertex hack it to mario's left hand? and keep the sword on the right.
idk, i suck at this lol. i hope you find out what to do bc this is just awesomeness. P.S. i suck at PSA and everytime i try to make one, it freezes when i go over the selected character in the CSS. oh well...
good luck on this