Cute and a bit of a crybaby. Unlike his best friend Hachiware, he mostly expresses himself through exclamations, facial expressions, and gestures rather than clear language. His friends understand what he wants to say just by that. However, he isn't completely unable to speak; he occasionally says short words.

Cute, smart, and able to speak. He is bright and positive. Because he has no money, he lives in a cave.

Cute. He knows how to speak but doesn't bother doing it. Extreme MBTI Type E. He adds "Yaha-!" to the end of everything (though he didn't used to).

Cute. She follows Momonga around and helps her. The thing on her head is a crab headband given to her by Momonga. She considers Momonga a friend.

Cute. Kani follows her around and helps her. A monster is currently inhabiting Momonga's body instead of the original owner. She views Kani as a sort of subordinate and dislikes Usagi.

Cute. He drinks alcohol with chestnuts as snacks. Every time he drinks, he lets out a "Kiyah—". When he's hungover, his face turns pale and he sits around dazed.

Cute. Whenever she's happy, she dances while saying "Sui~ Sui~". She works part-time at the supermarket.

Cute. Also known as the Ranker, he is respected by the other small creatures. His reputation in this world is so great that whenever he appears, others gather to follow him.