Seen often these days

Some commenters keep catching my eye.

ㄴㄴㅅㄷ I see something like ㄷㅂㄱㅅ

Is he mentally unstable or is he not Korean?

It seemed to be in worse condition than ㅃㄹㄸ.

I wonder if I’m going to work and level up just to see if something happens.