The three princesses are just so same-ish. There's more variety between the Mario and Wario brothers, and I'm still not a big fan of Waluigi. Say what you will of Captain Syrup but at least she isn't Peach with a new hairstyle in a different dress.
I suppose Cackletta could be used if she wasn't
dead.
I'm also not really convinced some of the spin-off characters really fit in Mario Kart, but then I'm sort of loathe to accept Diddy Kong so I'm probably taking it a bit extremely.
In general I tend to agree, but I think it's fine if it's in moderation and there are no proper Mario character to fill the role. Diddy Kong always bothers me because they could use Donkey Kong Jr instead.
Heartily agree to all of the above. Personally, I think it's high time we should have seen Dixie Kong, Mona, Ashley, Professor Gadd, Kamek, Tatanga, and Wart in karts.
Tatanga is criminally overlooked. I like the flavour he adds to Mario's world. Galaxy would've been the perfect opportunity to bring him back. I'd also like to see Popple, the thief from SuperStar Saga, become a recurring character in the series.
Was Kamek ever given a specific name in the Japanese games? I heard that Kamek was just their generic name for all Magikoopas.