Calvin Choi Yat-Chi
Birth date
January 3, 1965
Place of birth
Hong Kong, British Crown Colony
Profession
Acting
Age
61 years
Biography
Eldest among the 3 Grasshopper members. He has always been regarded as the most creative one and is also producer for various Hong Kong artists. Grasshopper is still active in the music industry, especially performing in concerts.
Also known as
Calvin ChoySir One One
