Another family of celebrities! If Doyoung's debut had been delayed even just a little, he could've joined the previous coverage of idols who have sibling trainees!

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So which celebrity is NCT Doyoung's older brother? Don't be surprised, because it's 5urprise's Gong Myung!

According to SM Entertainment, Doyoung (Kim Dong Myung) and Gong Myung (Kim Dong Hyun) are 2-year apart-brothers.

Can you see the resemblance?