Whatever happened to Toadsworth and Professor E. Gadd? They seem like they would be perfect for Mario Kart.
Like I know E. Gadd is still in the Luigi's Mansion games but he used get way more cameos, he was in the Mario and Luigi RPGS (as was Toadsworth), and he was mentioned in Sunshine and Thousand Year Door. Piantas and peaches plane are a couple of other things that used to be everywhere and now aren't.
At least Petey Piranha gets to be in Mario Kart.
I know this is the nerdiest post to make ever, but I was just having shower thoughts and was like, huh what ever happened to Toadsworth? 
I guess The Thousand Year Door remake reminded me he exists.
Also while you're at it Nintendo, bring back Fawful and let the Beanbean people be in more games damn it.
I'm talking new gameplay innovations, enemies, level designs, movement techniques! The characters are just what bridges it together, the differences between Mario 64, Galaxy 1&2 and Odyssey are miles apart! The only major thing they have common is the standard Mario cast, everything else is new and different.
Bah, I don't even buy Nintendo products anymore (:pirate-jammin:), so I shouldn't care, but I do, cause I still think they're good and innovative games when they put their best into it.