Mario is a brown bear bearing a red cap with the insignia "M" on it. He has all red clothes, but with overalls over them. He has a mustache, white gloves and brown shoes. Mario also possesses a mustache and buck teeth.
Mario is a very friendly, caring, and brave character. Mario often helps characters in need of assistance (no matter how small, such as when he saved Trippy from being squirted by Pierce).
He is usually seen collecting mushrooms, yet has a pet mushroom which he never uses.