顾杞顾欢
[gù qĭ gù huān]
This internet name comes from Chinese pun and alludes two different meanings. On one hand, '顾欢'(Gu Huan) can be used as a person's name directly. Also on the other hand, it plays on the word '顾忌' which means care or consideration. So, the name implies considering both joy and worry together or someone named Gu Huan.