The full crew is back for Mario Kart Tour
Best answer: Forty characters have been confirmed for Mario Kart Tour. Six have been in every Mario Kart game release so far; Mario, Luigi, Peach, Yoshi, Toad, and Bowser. The rest of the racers are both old and new favorites, including new member Peachette! However, not all 40 are currently available.
Apple not Banana Peels: Mario Kart Tour for iOS (Free on the Apple Store)