- Both are Korean.
- Both are part of NCT 127.
- Both were SM Rookies.
- Both were born in Seoul, South Korea.
- They are both Geminis.
- Taeil was born in 1994 and Haechan was born in 2000.
- They are part of the South Korean boy group NCT .
| To view the HaeIl gallery, click here.
Community content is available under CC-BY-SA unless otherwise noted.