ONEUS (원어스) is a South Korean K-pop boy group that debuted on January 9, 2019, with the mini album Light Us. The group currently consists of Seoho, Leedo, Keonhee, Hwanwoong, and Xion. Originally debuting under RBW Entertainment, the group later signed with B-Wave Entertainment in 2026. ONEUS is known for its powerful performances, unique storytelling concepts, and versatile music style.
ONEUS Members Profile
Seoho
| Profile | Details |
| Stage Name: | Seoho |
| Birth Name: | Lee Gun-min (legally changed to Lee Seo-ho) |
| Birthday: | June 7, 1996 |
| Age: | 30 Years Old |
| Birthplace: | Daejeon, South Korea |
| Nationality: | Korean |
| Zodiac Sign: | Gemini |
| Position: | Main Vocalist |
| Height: | 176 cm (5′ 9″) |
| Weight: | 63 kg (139 lbs) |
| Blood Type: | A |
| Education: | Anyang University |
| MBTI: | INTP |
Seoho Facts
- Seoho is the oldest member of ONEUS.
- He originally trained under the name Lee Gun-min before legally changing his name.
- He enjoys playing football and basketball in his free time.
- Fans love his powerful vocals and bright eye smile.
- The members often describe him as the group’s “happy virus” because he lifts everyone’s mood.
- He is known for joking around and making the members laugh.
- Seoho is considered the unofficial “mom” of the group because he takes care of the members.
- He enlisted for military service in February 2025.
Leedo
| Profile | Details |
| Stage Name: | Leedo |
| Birth Name: | Kim Gun-hak |
| Birthday: | July 26, 1997 |
| Age: | 29 Years Old |
| Birthplace: | Jangam-dong, Uijeongbu, Gyeonggi-do, South Korea |
| Nationality: | Korean |
| Zodiac Sign: | Leo |
| Position: | Main Rapper, Sub Vocalist |
| Height: | 178.5 cm (5′ 10″) |
| Weight: | 67 kg (148 lbs) |
| Blood Type: | AB |
| Education: | Uijeongbu Guangdong High School |
| MBTI: | ISFP |
Leedo Facts
- Leedo is known for his deep rap voice and soft singing voice.
- Before joining RBW, he trained under YG Entertainment.
- He enjoys working out and is considered one of the strongest members.
- He has a younger brother named Gunhee.
- Fans admire the contrast between his tough appearance and gentle personality.
- Leedo nearly gave up on becoming an idol before being encouraged to audition for RBW.
- He is skilled in rapping, singing, dancing, and fitness training.
- The members often say he becomes shy very easily.
Keonhee
| Profile | Details |
| Stage Name: | Keonhee |
| Birth Name: | Lee Keon-hee |
| Birthday: | June 27, 1998 |
| Age: | 28 Years Old |
| Birthplace: | Bundang-gu, Seongnam, Gyeonggi-do, South Korea |
| Nationality: | Korean |
| Zodiac Sign: | Cancer |
| Position: | Main Vocalist |
| Height: | 181 cm (5′ 11″) |
| Weight: | 64 kg (141 lbs) |
| Blood Type: | O |
| Education: | Dolma High School |
| MBTI: | ENFP |
Keonhee Facts
- Keonhee is the tallest member of ONEUS.
- He is known for his bright personality and positive energy.
- He speaks both English and Japanese.
- Keonhee loves food and often talks about his favorite meals.
- He enjoys visiting art galleries and finding hidden meanings in artwork.
- Fans appreciate his powerful vocals and entertaining personality.
- He has two younger sisters.
- Keonhee is famous among fans for being very talkative and friendly.
Hwanwoong
| Profile | Details |
| Stage Name: | Hwanwoong |
| Birth Name: | Yeo Hwan-woong |
| Birthday: | August 26, 1998 |
| Age: | 28 Years Old |
| Birthplace: | Yangcheon-gu, Seoul, South Korea |
| Nationality: | Korean |
| Zodiac Sign: | Virgo |
| Position: | Main Dancer, Sub Vocalist |
| Height: | 168 cm (5′ 6″) |
| Weight: | 57 kg (125 lbs) |
| Blood Type: | A |
| Education: | School of Performing Arts Seoul (SOPA) |
| MBTI: | ISTP |
Hwanwoong Facts
- Hwanwoong is recognized as ONEUS’s main dancer.
- He became interested in performing after watching singer Rain.
- His specialties include locking, waacking, and street dance.
- He was formerly a trainee at Pledis Entertainment.
- Hwanwoong was once considered a potential member of SEVENTEEN.
- He enjoys watching movies and spending time on swings.
- Fans admire his ability to transform on stage during performances.
- He is an only child.
Xion
| Profile | Details |
| Stage Name: | Xion |
| Birth Name: | Son Dong-ju |
| Birthday: | January 10, 2000 |
| Age: | 26 Years Old |
| Birthplace: | Yeongtong-gu, Suwon, Gyeonggi-do, South Korea |
| Nationality: | Korean |
| Zodiac Sign: | Capricorn |
| Position: | Sub Vocalist, Visual, Maknae |
| Height: | 173 cm (5 ‘8″) |
| Weight: | 56 kg (123 lbs) |
| Blood Type: | AB |
| Education: | Taejang High School |
| MBTI: | ISTJ-T |
Xion Facts
- Xion is the youngest member of ONEUS.
- He has a twin brother, Son Dongmyeong, who is a member of the band ONEWE.
- His specialty is acting.
- Xion enjoys watching musicals during his free time.
- He is known for his beautiful visuals and long eyelashes.
- The members often say he is in charge of aegyo in the group.
- He worked as an MC alongside his twin brother.
- Fans love his playful and caring personality.
Former Member Profile
Ravn
| Profile | Details |
| Stage Name: | Ravn |
| Birth Name: | Kim Young-jo |
| Birthday: | September 2, 1995 |
| Age: | 31 years old |
| Birthplace: | Mok-dong, Yongin, South Korea |
| Nationality: | Korean |
| Position: | Main Rapper, Sub Vocalist, Producer |
| Height: | 178 cm (5’10”) |
| Weight: | 65 kg (143 lbs) |
| Blood Type: | A |
| MBTI: | ENTJ |
Ravn Facts
- Ravn was an original member of ONEUS.
- He trained under several major entertainment companies before joining RBW.
- He was involved in songwriting and music production for the group.
- He left ONEUS in October 2022.
- In April 2025, he debuted as a solo artist with the single Comedy.
Read: STAYC Members Profile.
ONEUS has established itself as one of K-pop’s most respected performance groups through exceptional vocals, captivating choreography, and creative storytelling. With talented members Seoho, Leedo, Keonhee, Hwanwoong, and Xion, the group continues to impress fans around the world. As ONEUS grows and explores new musical directions, TO MOON can look forward to even more memorable performances and achievements in the future.