Mr. Tan, whose real name is Guo Cheng, is a celebrity, writer and freelance trainer in Sina Weibo. His four imaginary Weibo-style Weibo articles, Weibo in the Three Kingdoms, Weibo in the Water Margin, Weibo on the Journey to the West and Weibo in the Red Chamber, are humorous and creative, which have attracted the attention of many netizens on the Internet. He once wrote the book "A Boiled Journey to the West".