| Origin | Seoul, South Korea |
| Debut | N/A |
| Number of Members | 3 |
| Members | Lin Kai Castiel |
RK3 Members Profile
Lin
| Full Name | N/A |
| Birthday | N/A |
| Birthplace | N/A |
| Age | N/A |
| Height | N/A |
| Weight | N/A |
| Zodiac Sign | N/A |
| Blood Type | N/A |
| MBTI | N/A |
| Position | Leader, Lead Vocalist |
Kai
| Full Name | N/A |
| Birthday | N/A |
| Birthplace | N/A |
| Age | N/A |
| Height | N/A |
| Weight | N/A |
| Zodiac Sign | N/A |
| Blood Type | N/A |
| MBTI | N/A |
| Position | Main Rapper |
Castiel
| Full Name | Hyunjun |
| Birthday | December 7, N/A |
| Birthplace | N/A |
| Age | N/A |
| Height | 6 feet 1 inches (185 cm) |
| Weight | N/A |
| Zodiac Sign | Sagittarius |
| Blood Type | N/A |
| MBTI | N/A |
| Position | Visual, Main Dancer, Maknae |
FAQs
How many members are in RK3?
RK3 is a 3-member K-pop boy group. The group consists of Lin, Kai, and Castiel.
