[Female / Estimated between 28 and 34 years old] She is quirky yet caring, has a tsundere streak, and is very cheerful. Following a cat concept, she sings well with a uniquely charming voice. She wears a marshmallow hairpin. She is terrified of horror games. Her nickname is Momon. She is the eldest sister of the group.

[Male / 34 years old] The sub-leader and Areum's older brother. The mood maker of Gogo Friends. His concept is a blue rabbit; he is cheerful, pleasant, and mischievous. He has a tsundere side where he helps others while acting annoyed. He has a very youthful face for his age... ♡ He is the eldest brother of the group.

[Female / 28 years old] The leader and Baekhyeon's younger sister. She has a very youthful face for her age... ♡ With a pink rabbit concept, she sometimes pretends to sing poorly for the sake of video entertainment, but she is actually a great singer. She is a bit quirky but kind, bubbly, and easygoing. She loves eating but has a constitution that doesn't gain weight easily.

[Male / 23 years old] The youngest member and the ace. He gets hurt easily and is usually calm, but lately, he has become much closer to the Gogo Friends, showing a more mischievous and cheerful side. He addresses the others as Hyeong and Nuna. Fans absolutely adore him. He is a genius who ranked 4th in his entire school during middle school. He is terrified of horror games.

[Male / 26 years old] The last member to join Gogo Friends, with a frog concept. His main job is a math teacher, but he is also excellent at other subjects like Korean (in short, a genius). He often calls the others Areum-nuna and Baekhyeon-hyeong. He is incredibly bubbly, mischievous, and cheerful.