As a recurring hero, his kind, brave, and proactive nature is highlighted. His reactions show he is a cheerful, honest person who expresses a wide range of emotions. He loves food.

An archaeologist. A female Goomba majoring in archaeology at U Goom. She is a spunky and sassy yet intelligent and warm-hearted Goomba girl.

A cloud spirit and former star of the stage, she possesses a very passionate, confident, and self-driven personality.

Though he can be quite cocky for a baby, he is actually one of the more well-mannered characters in the cast. He rarely says anything rude or disrespectful and displays judgment and intelligence that defy his infant status.

Vivian has a pure and delicate heart, embodying the 'iron fist in a velvet glove' archetype.

He may look like a retired veteran, but at his core, he is a Bob-omb with a heart of fire—more passionate and loyal than anyone else.

He is fundamentally timid, lacking in self-confidence, and faint-hearted. However, he is a classic growth-oriented character who overcomes his fears to stand tall.

A mouse thief who travels the world in search of rare badges and treasures. She appears in dangerous places without a care, possessing a bold and composed personality that allows her to snatch treasure a step ahead of others or slyly escape crises.

Doopliss is a serious villain boss with a cold and calculating side. He is a theatrical villain who is playful, cunning, and takes evil delight in the suffering of others.

Princess Peach is fundamentally gentle, kind, and benevolent. As the ruler of the Mushroom Kingdom, she cares deeply for her subjects and maintains the dignified, elegant demeanor of a classic princess.