Kuaizero is a nick name of Mr. Gao. Godspeed, a transliteration from Loa Gao (1981). He was born in Dalian, Liaoning Province, China, and now living in Japan as a Youtuber. In early May 2018, Godspeed began managing the channel "Mr & Mrs Gao". One year later, on May 18, 2019, the channel opened the membership function. After two days (May 20), it got the achievement of "the fastest growth of YouTube channel members in the world".