Nikki of Swapnote fame.
Waluigi can have his own casino - that should make for a nice spin-off.
I agree with Ashley, too. She's cute.
Oh, and SEGATA SANSHIRO.
I don't care if he's not a Nintendo character, or if he'd be stupidly overpowered, I want him in a game.
SEGA SATA-N, SHIRO!
I WON A BET AGAINST AZUREN! WOOOOOOOOOOAAAAAAAAHHHHHHHHHHHHHHHHHHH
:3