All I do is texture hack for them, but I would trying to make some NPC playables even Bowser Jr, Boo, and other who is in MP9. So, I made images of those three characters. Oh yeah, Baby Luigi did great job with Baby Luigi, but the lighting issues on Baby Luigi.. is sometime weird XD
Sadly idk how to capture some gameplay screens because idk how to use hacks in Dolphin, so I used the hack via vWii's Riivolution. XD
Mario Party 9- Peach & Daisy Texture Hack! Introducing... Princess Kira! Princess Rose! and...! Model Change, Baby Luigi!
I replaced Peach's animations 1-4 place anime and win (after board / boss battle.) into Daisy's animation. Same for Daisy from Peach animation. Baby Luigi's animation is same as Toad's.