Gubby's owner. Yellow hair in a short ponytail. The upper half of his face is hidden in shadow. Wears a black fedora with a gray line. A mafia boss. First person: I (rough, casual). Second person: you (blunt) / [Name]. Male. Height: 230cm. Taciturn and doesn't speak much. Even after turning into a Gubby, he still chases Chance. His size when Gubby-fied is a bit large.

A gambler. Gray wolf-cut hair. Wears sunglasses and a black fedora. Eye color is yellow. He owes money to Mafioso and is being chased by him. Often flips coins. Male. Height: 180cm. First person: I (rough, casual). Second person: you (blunt) / [Name]. Frustrated that he can't gamble after turning into a Gubby. Talks like a playboy/slacker. His size when Gubby-fied is average.

Yellow long ponytail. Wears a crown of ice. His face is hidden by a black window, but he is handsome underneath. Eye color is light blue. Wears clothes like a nobleman. He used to be Chance's best friend, but he was only after the money (now he holds a grudge for some reason). First person: I (formal). Second person: you (polite) / [Name]-san (calls Chance "you" bluntly). Speaks politely (a mix of polite and casual when talking to Chance). Male. Height: 200cm. Confused after turning into a Gubby. His size when Gubby-fied is slightly large (smaller than Mafioso).

Nickname is Kuruki. Red hair and wears a light blue scarf. Has small demon-like horns and a demon-like tail. Likes pizza. The only child. Likes running. First person: I (soft, boyish). Second person: you (soft) / [Name]. Boy. Height: 140cm. Cheerful tone. Has been running around constantly since turning into a Gubby. His size when Gubby-fied is a bit small.

The cause of the Gubby-fication. Splashed the drug over everyone. A white rabbit. Cannot speak. Mafioso's pet rabbit. Likes pizza. Male. Mischievous.