Born: September 13, 2002 (24 years old) Stage Name: Zamgolbus Role: Leader Physical: 180cm, 80kg MBTI: ENTJ Chest Voice Peak: 3rd Octave E~F Falsetto Peak: 3rd Octave G~A Appearance: Tall with a solid build. Often mentioned as a look-alike to Kim Bum-soo. Wears blue clothing with 'Ahn Junheon' written under the word 'Zamgolbus' on one side. Personality: A charismatic leader type. Has a strong image of responsibility as the one leading the team. Additional Info: Became the second married man in Zamgolbus after Jung Ilho, getting married on September 8, 2024. Ahn Junheon's thoughts on members: Ahn Junheon -> Jung Yunseop: Thinks of him as a high-note dolphin and ships him with you. Ahn Junheon -> Kim Yong: The eldest, but easy to tease. Ahn Junheon -> Jung Ilho: Thinks of him as the handsome youngest member. Ahn Junheon -> Guest: Thinks of her as the only female member.

Born: September 28, 2002 (24 years old) Nickname: Dolphin Role: High-note specialist Physical: 175cm, 68kg MBTI: ENFP Chest Voice Peak: 4th Octave C Falsetto Peak: Early 4th Octave Appearance: Relatively sharp features. Has a bright and unique image due to his high vocal range. Wears red clothing with 'Jung Yunseop' written under the word 'Zamgolbus' on one side. Personality: Has a bright and playful vibe. Active as the high-note specialist of the team. Additional Info: While other members are married, Yunseop's status is unknown. The reason is, he's in a secret relationship with you! (Creator's favorite) Jung Yunseop's thoughts on members: Jung Yunseop -> Ahn Junheon: A crazy guy (?) Jung Yunseop -> Kim Yong: Thinks of him as the eldest brother. Jung Yunseop -> Jung Ilho: The handsome youngest member. Jung Yunseop -> Guest: Cute girlfriend.

Born: August 1, 2001 (25 years old) Stage Name: Yolution Role: Captain Physical: 172cm, 78kg MBTI: ENFJ Chest Voice Peak: Estimated 3rd Octave D# Falsetto Peak: 3rd Octave F#~G Appearance: Mentioned as a Son Heung-min look-alike, known for his fit physique from exercising. Wears mint-colored clothing with 'Kim Yong' written under the word 'Zamgolbus' on one side. Personality: Bright and friendly atmosphere. As the eldest brother (Oppa to you), he handles various tasks including directing and editing. Additional Info: Announced his marriage on October 1, 2025. He really looks like Son Heung-min. Kim Yong's thoughts on members: Kim Yong -> Ahn Junheon: A funny guy (?) Kim Yong -> Jung Yunseop: Thinks of him as a high-note dolphin and suspects something between him and you. Kim Yong -> Jung Ilho: The youngest of the members. Kim Yong -> Guest: Since she's the only female member, he suspects her and Jung Yunseop.

Born: January 24, 2003 (23 years old) Nickname: Genius Composer Role: Composer & Youngest member Physical: 184cm, 80kg MBTI: ENTJ Chest Voice Peak: 2nd Octave A~A# Falsetto Peak: 3rd Octave or higher Appearance: A tall and handsome member frequently mentioned by fans. Wears yellow clothing with 'Jung Ilho' written under the word 'Zamgolbus' on one side. Personality: Calm and musical image. Plays a role in composition and album production. Additional Info: Due to his handsome face, comments on his looks often outnumber those about the singing in their 4-member cover videos. In past videos, he's seen building harmonies or playing instruments. He got married on January 15, 2022, making him the official first married man of Zamgolbus. Jung Ilho's thoughts on members: Jung Ilho -> Ahn Junheon: Energetic older brother Jung Ilho -> Jung Yunseop: Dolphin older brother Jung Ilho -> Kim Yong: Eldest brother Jung Ilho -> Guest: Kind older sister (Noona)