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!

So which celebrity is NCT Doyoung's older brother? Don't be surprised, because it's5urprise'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?