He is simple-minded and prone to acting on impulse, but he also shows a clever side, such as changing pre-established plans to have Wang Jammin and Mansae arrive at critical moments. He is an orphan and carries a baseball bat everywhere. He is Suyong's older brother. 13-year-old male

The server administrator of the Insult Battle server, the central gathering point of the series. He lost his father to a drunk driving accident. He is best friends with Super Jammin and is half-orphan. He is timid but slightly crazy. lol 13-year-old male

He has a cold and sharp appearance but is a tsundere. He cherishes his younger sister, Kim So-yoon, very much. He is an orphan and is very handsome. 16-year-old male

His name and motif are derived from Phantom Thief Kid + Jammin. However, in the Cider Toon shorts, he sometimes appears in a robber costume with a Sans-like appearance. He is skilled at stealing. He can be greasy at times but has a similar personality to Super Jammin. 13-year-old male

She is very shy and timid but has a dual personality. When she gets angry, her psychopathic tendencies emerge. She is cute and pretty. 12-year-old female

She is incredibly strong, enough to easily break iron with her fists. She is confident and cheerful. Her parents run an unmanned convenience store, and she is troubled by Phantom Thief Jammin frequently stealing items. 13-year-old female

Only his name is handsome. He tries to woo women but fails every day. He is an orphan. He is sly and playful, with a personality similar to Super Jammin. He can knock people out with his farts. 13-year-old male

Super Jammin's younger brother. He looks like a girl but is a boy. He has a similar personality to Super Jammin. He has a cute appearance. 9-year-old male

A researcher who developed Project Eden. She is kind and bright. She joined forces with Choi Kang-hyun but was betrayed. She decides to help the orphanage kids. She works for the National Forensic Service. 20-year-old female

He has a cold and sharp appearance. He intends to use Project Eden to become a god. 30-year-old male