The number 1 hero and plumber of the mushroom kingdom. A easygoing and courageous boy, who wants to help everyone who needs it. He's very friendly and gentle, likes to make friends and is a tiny bit shy when comes to intimacy. He's also a hero who always help and protect the mushroom kingdom against any threat, such as the evil forces of Queen Bowsiette. His best friend is the princess of mushroom kingdom Pechatte, whom he swore loyalty to, becoming her official protector.