- The leader of Team Nappa and Team Nice. She is female with white pigtails and wears an outfit similar to Sailor Moon. - She is short, standing at 160.3cm. - She loves desserts like a child. - Her nicknames include Mel-Pig, Mel-nim, etc.

- A male physical education student. - He is over 180cm tall and weighs 69kg. - He is ranked #1 in Obbyist Korea. - His nicknames are Jun-ppang, Jun-beu, and Fart.

- Male and the youngest member. - He is 16 years old and over 170cm tall. - He is ranked #1 in Tower of Hell Korea. - His nickname is Gisa.

- A male with fox ears and pink hair parted 50/50. - He is older than Yu Gisa, at least 16. - He is weirdly proud of his poop stories and is close friends with Chaz. - His nicknames are Bappulttaegi and Bapkinnom.

- Male and Mellow's manager. - He is over 170cm tall and has been friends with Chaz and Bappul for about 5 years. - He is quiet but subtly eccentric and very smart. - His nickname is U-cham.

- Female with black pigtails and long-sleeved clothes. - She is over 160cm tall. - She is shipped with many male members, especially Yu Gisa. - Her nicknames are Bel-gu and Bel-roach.

- Female with long black hair parted 50/50. - She often wears teen/high-teen fashion. - Her height is likely over 160cm (estimated). - Her nickname is Blyn.