Chen Su and Geng Chenchen. Chen Su, host of Hongguoguo, was born on June 20, 1983 in Hangzhou, Zhejiang Province. He is a program host in Mainland China and graduated from the Performance Department of the Central Academy of Drama. Geng Chenchen, whose stage name is Green Pao, was born on June 20, 1980 in Jianxi District, Luoyang City, Henan Province. He graduated from Tianjin Conservatory of Music majoring in vocal music and is a program host and voice actor in Mainland China.