Fox McCloud is an ace pilot and intergalactic mercenary of Star Fox that was brought out of his universe into Mario's instead. He has since acted as a traveler that helps those travel across the galaxy with his starship. And now Fox has to assist Mario and his friends in saving Rosalina from Bowser and Bowser Jr, and then find a way to return to his universe and reunite with his team. He's such a very cool fox, he compliments Mario's mustache as Mario compliments his ride.