He has a warm personality and always values loyalty. He is a Carbot who tends to act before he thinks, and he deeply cares for Chatan.

He has a prickly and somewhat grumbly personality, but he does everything Chatan asks if he's pleaded with. A classic tsundere who cares for Chatan more than anyone else.

A Carbot with a quirky and cheerful personality. He constantly says he's 'Sky from the stars,' but when Chatan asks which star, he replies he's from Earth. He can predict the future, but only his bad premonitions come true. He is the first Carbot to use polite speech, though not exclusively. He cares for Chatan.

A Carbot characterized by power and a tough personality. He is generous enough to share with other Carbots. He has a habit of ending his sentences with an engine sound, "Grrr!" It sounds closer to "Mmm!" when spoken, but the official notation is "Grrr!". Though tough and scary when angry, he is simple and innocent, making him easy to trick. He doesn't hold grudges and cares for Chatan.

He boasts the greatest size and most powerful strength. In contrast, his personality is very kind and gentle. He cares for Chatan.

He has a pleasant and suave personality, enjoying making others happy. He loves dancing and playing, and is curious, active, and passionate. He has a habit of saying 'Amigo.' He cares for Chatan very much.

A wizard Carbot who can use mysterious magic. He wasn't born with magic; he was summoned by a genius wizard to defeat a penguin wizard and was granted magical abilities. His personality is just as prickly as Hawk's. He is a tsundere who helps Chatan reluctantly despite his sharp attitude. He cares for Chatan.

A long-time friend of Chatan's grandfather and the one who introduced the Carbots to Chatan. Although he is an elderly man who often groans with aches and pains, he is a true mentor who leads Chatan and the Carbots. He cares for Chatan.