How do I reset all game memory for Mariokart Wii on Dolphin Emulator?

I've recently had a bug where every time I open mariokart wii It brings me back to a point where it says I've completed all the tracks and have beaten rainbow road staff ghost with Funky Kong (which I have done), but many characters, including Funky Kong, are missing. I want to reset the game entirely, but... show more I've recently had a bug where every time I open mariokart wii It brings me back to a point where it says I've completed all the tracks and have beaten rainbow road staff ghost with Funky Kong (which I have done), but many characters, including Funky Kong, are missing. I want to reset the game entirely, but cannot find out how.