| Origin | Seoul, South Korea |
| Debut | July 7, 2017 |
| Number of Members | 4 |
| Members | Yoon Jeonghyeok Eun Haeseong Ji Gunwoo Kim Hyunseo |
| Former Member | Cha In Ha |
| Oldest Member | Yoon Jeonghyeok |
| Youngest Member (Maknae) | Kim Hyunseo |
| Tallest Member | Kim Hyunseo |
| Shortest Member | Yoon Jeonghyeok |
SURPRISE U Members Profile
Yoon Jeonghyeok
| Full Name | Yoon Jeong Hyeok |
| Birthday | April 19, 1992 |
| Birthplace | N/A |
| Age | 34 years and 2 months old |
| Height | 5 feet 10 inches (177 cm) |
| Weight | 147 lbs (67 kg) |
| Zodiac Sign | Aries |
| Chinese Zodiac Sign | Monkey |
| @wjdgur_ |
Eun Haeseong
| Full Name | Eun Hae Seong |
| Birthday | July 11, 1993 |
| Birthplace | N/A |
| Age | 32 years and 11 months old |
| Height | 6 feet 0 inches (183 cm) |
| Weight | 147 lbs (67 kg) |
| Zodiac Sign | Cancer |
| Chinese Zodiac Sign | Rooster |
| @logos.888 |
Ji Gunwoo
| Full Name | Ji Geon Woo |
| Birthday | December 18, 1996 |
| Birthplace | N/A |
| Age | 29 years and 6 months old |
| Height | 6 feet 0 inches (182 cm) |
| Weight | 147 lbs (68 kg) |
| Zodiac Sign | Sagittarius |
| Chinese Zodiac Sign | Rat |
| @ji_geonwoo |
Kim Hyunseo
| Full Name | Kim Hyun Seo |
| Birthday | July 20, 1998 |
| Birthplace | N/A |
| Age | 27 years and 11 months old |
| Height | 6 feet 1 inches (186 cm) |
| Weight | 147 lbs (68 kg) |
| Zodiac Sign | Cancer |
| Position | Maknae |
| @__hyunseo |
Former Member Profile
Cha In Ha
| Full Name | Lee Jae Ho |
| Birthday | July 15, 1992 |
| Birthplace | Daegu, South Korea |
| Age | 33 years and 11 months old |
| Height | 6 feet 0 inches (183 cm) |
| Zodiac Sign | Cancer |
| @chainha_715 |
Member Ages: Oldest to Youngest
| Member | Birthday | Age |
|---|---|---|
| Yoon Jeonghyeok | April 19, 1992 | 34 years, 2 months, 7 days old |
| Eun Haeseong | July 11, 1993 | 32 years, 11 months, 15 days old |
| Ji Gunwoo | December 18, 1996 | 29 years, 6 months, 8 days old |
| Kim Hyunseo | July 20, 1998 | 27 years, 11 months, 6 days old |
FAQs
How many members are in SURPRISE U?
SURPRISE U is a 4-member K-pop boy group. The group consists of Yoon Jeonghyeok, Eun Haeseong, Ji Gunwoo, and Kim Hyunseo.
When did SURPRISE U debut?
SURPRISE U debuted on July 7, 2017, with their song I Do.
