Daisy wasn't original to the spin-offs either and HI I'M DAISY
Ahhhm. But the real Mario games have come up with decent characters. Yoshi, Gadd, Toadsworth and Rosalina are good. But the spin-offs haven't beaten them to death yet, have they... unless they did when I wasn't looking (read: I'm never really looking). They kind of trapped Yoshi in this really screwed-up thing with Birdo though and I don't appreciate it... Doesn't matter, I don't consider the spin-offs canon anyway.
Also... who said I hated Waluigi (recently)? I mean, why would I make a comic series about him if I hated him? I could make a comic series about Toadette endlessly failing to obtain a cookie but it would be pretty bad. Waluigi is just so much fun to mess with. Like, after playing Mario Kart Wii and hearing his jovial cries as he used Mushrooms and did tricks:
Captain Jim: "So Waluigi, what game console did you buy late 2006?" [imitates Waluigi's voice] "Wiiiiii!!!!" "...I see."
But, I do like Waluigi where he is. Which is not on the character select screen in Brawl or a locked room in Super Mario 64 DS or in the kitchen or whatever. If someday Nintendo goes the way of Sega and starts to do things to Mario out of desperation, though, Waluigi should be the Shadow.