不是所有男人都叫金秀贤
[bù shì suŏ yŏu nán rén dōu jiào jīn xiù xián]
Not All Men Are Called Kim Soo-hyun. Here, 'Kim Soo-hyun' can either refer to an individual name or a famous Korean actor named Kim Soo-hyun who is very popular among fans. This username expresses a humorous or joking tone.