Is possible hack the SMT:DS rom and put the images of Thanatos, Orpheus and Messiah in the game?
Exchanging a low rank demon for another like Shiva, Ym or Pixy, changing the name and ta-da, a good game game is 30% more good.
Messiah: http://media.giantbomb.com/uploads/0/5874/521918-messiah.png...