1. Sister, whose real name is Yu, 1992, from Bijie, Guizhou. She graduated from a southwest university majoring in architecture, is a short video creator, and is a signing artist of Worry-Free Media. She is famous for writing Hi Oh. On 20 19, 12, Mao Mao and I participated in a special talk show for teenagers.

2. The number of Tik Tok fans of Redundancy and Sister Mao Mao 20 18 has exceeded 20 million. In his video "The Difference between City People and Our Dancing" released at the end of 20 18, one person plays three roles: the redundant narrator, from Mao Mao in the city, and from Mao Mao in the countryside. He changed his role by changing his wig, and each role has its own distinctive characteristics. The background music of the video "Hello Oh" has also become popular.

3. In April 2020, the number of fans of Redundant Man and Sister Mao Mao has exceeded 34 million.