- They are both Korean.
- They both were SM Rookies.
- Doyoung is part of NCT 127 and NCT U when Jaemin is part of NCT Dream.
- Doyoung was born in Guri, South Korea, and Jaemin was born in Jeonju, South Korea.
- Doyoung was born in 1996 but Jaemin was born in 2000.
- Doyoung is an Aquarius and Jaemin is a Leo.
- They are part of the South Korean boy group NCT .
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