AMPERS&ONE: Member Profiles, Ages & Group Facts

AMPERS&ONE has quickly gained recognition as one of the most promising K-pop groups of the new generation. Formed by FNC Entertainment, the seven-member boy band made their debut on November 15, 2023, with the single album Ampersand One. With their fresh sound, diverse cultural backgrounds, and strong stage presence, they’ve captivated fans worldwide. Their official fandom name, ANDEAR, reflects the deep bond between the group and their supporters, symbolizing love and connection.

Full Profile of AMPERS&ONE Members

Before diving into their music and activities, it’s important to get to know each AMPERS&ONE member closely. Here are detailed profiles and fun facts about Kamden, Brian, Jiho, Siyun, Kyrell, Mackiah, and Seungmo.

Kamden

Full Name: Kamden Winston Na (Na Doo-bin)
Birthday: June 9, 2001
Nationality: American
Height: 182 cm (5’11”)
Position: Leader, Rapper, Main Dancer

Fun Facts:

Kamden has a twin brother named Kade, and they share a close bond that often surprises fans.
He was cast by FNC through Instagram DMs, showing how unconventional his path into K-pop was.
Kamden competed on Boys Planet and reached the finale, ranking 17th, which gave him strong pre-debut recognition.
He enjoys hiking and swimming, both of which help him stay active and relieve stress.
His nickname “Dubu” reflects his soft and kind personality, while “Kammy Kammy” is used affectionately by friends.
He looks up to AB6IX’s Daehwi, inspired by his growth and artistry.

Brian

Full Name: Brian Ho (He Tingwei)
Birthday: August 27, 2002
Nationality: Chinese-Canadian
Height: 186 cm (6’1”)
Position: Vocalist

Fun Facts:

Born in Vancouver, Brian is multilingual, speaking English, Chinese, and French fluently.
He owns a German Shepherd named Melody, whom he often talks about lovingly.
Brian once auditioned with Tamia’s “Officially Missing You,” impressing with his vocal tone.
His hobbies include playing basketball, gaming, and listening to R&B music.
He is known among fans for his sparkling eyes and his ability to fold his thumb joints backwards.
His role model is BTS’s RM, whom he admires for leadership and lyrical talent.

Jiho

Full Name: Choi Ji-ho
Birthday: June 10, 2004
Nationality: Korean
Height: 182 cm (5’11”)
Position: Vocalist

Fun Facts:

Jiho briefly lived in Boston, which gave him international experience and perspective.
He joined Boys Planet and Wild Idol, gaining exposure despite early eliminations.
He has been a trainee for more than three years, showing dedication to his dream.
Jiho enjoys multiple sports including basketball, badminton, and table tennis, highlighting his athletic side.
His favorite dish is Sundaeguk, a traditional Korean blood sausage soup.
His role models are G-Dragon and Jimin from BTS, who inspire his artistry.

Siyun

Full Name: Yoon Si-yun
Birthday: January 8, 2005
Nationality: Korean
Height: ~180 cm (5’11”)
Position: Vocalist

Fun Facts:

Siyun was a contestant on YG Treasure Box, where he gained recognition despite elimination.
He used to be part of WM Entertainment’s trainee group Ggumnamu.
His nickname “Baby Tiger” comes from his sharp yet adorable aura.
Siyun loves photographing clouds and oceans, expressing a reflective side of his personality.
He enjoys action and romantic movies, with Iron Man as his favorite Marvel character.
Siyun loves the sea but admits he’s not very good at video games.

Kyrell

Full Name: Kyrell Valentine Choi (Choi Young)
Birthday: July 3, 2005
Nationality: American
Height: 181 cm (5’11”)
Position: Vocalist

Fun Facts:

Born in Seattle, he joined FNC after passing a global audition in Canada.
He can juggle and enjoys sketching, showcasing his playful and creative sides.
Kyrell is known as the group’s “smile representative” due to his cheerful personality.
He has a love for desserts, especially doughnuts, which fans often associate with him.
He speaks Spanish and is academically talented, having studied at Lakeside High School.
Kyrell is passionate about sports, with basketball, golf, and swimming being his strengths.

Mackiah

Full Name: Mackiah Mercer (Lee Ye-jun)
Birthday: January 21, 2006
Nationality: Korean-Australian
Height: 182 cm (6’0”)
Position: Rapper

Fun Facts:

Mackiah was born in Sydney and later moved to Busan, blending Australian and Korean cultural influences.
He joined FNC after a successful audition in Australia with the song “Boong Boong.”
Despite his charismatic stage presence, he admits he struggles with scary things and spicy food.
His favorite food is pizza, and his favorite season is autumn, reflecting his cozy personality.
Mackiah once performed in a band during elementary school, proving his musical passion started young.
He shares a playful duo nickname, “Marchive,” with Brian.

Seungmo

Full Name: Kim Seung-mo (Sean Kim)
Birthday: July 3, 2006
Nationality: Korean
Height: 180 cm (5’11”)
Position: Vocalist, Maknae

Fun Facts:

Seungmo is the group’s youngest and studied at Hanlim Arts High School, a famous K-pop idol school.
He trained for about four years, longer than some of his older members.
He loves video games and often plays FIFA with Kamden and Siyun.
His nickname “Tomato” reflects his bright and cheeky personality.
He is flexible and once amazed fans by holding his eyes open for 25 minutes without blinking.
Seungmo enjoys romantic and comedy movies, though he’s also curious about horror even if he can’t handle them well.

Height of All AMPERS&ONE Members

One of the most common curiosities among K-pop fans is the height order of their favorite idols. Here is the ranking of AMPERS&ONE members from tallest to shortest.

Brian – 186 cm (6’1”)
Mackiah – 182 cm (6’0”)
Kamden – 182 cm (5’11”)
Jiho – 182 cm (5’11”)
Kyrell – 181 cm (5’11”)
Siyun – ~180 cm (5’11”)
Seungmo – 180 cm (5’11”)

Popularity of AMPERS&ONE Members

Popularity in K-pop is often influenced by survival show exposure, individual charisma, achievements, and international appeal. Here’s a look at the general fan-based trends of AMPERS&ONE members’ popularity along with some of their notable milestones.

Based on online fan discussions and social media activity, the unofficial popularity ranking often highlights Kamden and Brian at the top, thanks to their exposure on survival shows and strong stage charisma. Jiho and Siyun also maintain steady popularity among Korean fans due to their charm and relatable personalities. International fans have shown increasing affection for Kyrell, Mackiah, and Seungmo, recognizing their talents and fresh presence in the group.

In terms of achievements, AMPERS&ONE earned a Rookie of the Year nomination at the 2023 Hanteo Music Awards and were also nominated for Best New Male Artist at the 2024 MAMA Awards. Their extended play Wild & Free reached No. 3 on the Korean charts with over 80,000 copies sold, while their later release Loud & Proud climbed even higher to No. 2, surpassing 110,000 copies. These milestones have strengthened their growing reputation as a boy band with both domestic and global appeal.

Roles of AMPERS&ONE Members

Every member of AMPERS&ONE plays a vital part in the group’s performances and identity. Their designated positions highlight their strengths while balancing the team’s overall dynamic.

Kamden – Leader, Rapper, Main Dancer
Brian – Vocalist
Jiho – Vocalist
Siyun – Vocalist
Kyrell – Vocalist
Mackiah – Rapper
Seungmo – Vocalist, Maknae

AMPERS&ONE’s teamwork reflects their ability to blend diverse strengths into a unified stage performance. Each member contributes distinct talents, whether it’s Kamden’s leadership, Brian’s strong vocals, or Mackiah’s rap skills, ensuring balance within the group.

AMPERS&ONE continues to rise as one of the most dynamic groups in K-pop. With their unique combination of international backgrounds, charisma, and heartfelt music, they’ve carved out a loyal fanbase in just a short time. Their journey from survival shows to international tours shows their resilience and determination. As they move forward with new releases and performances, AMPERS&ONE is bound to achieve even greater success, leaving an enduring mark in the K-pop industry.