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.
| Name | Calvin Choi Yat-Chi |
|---|---|
| Also Known As | 蔡一智, Calvin Choi, ''Grasshopper'', Calvin Choy, Sir One One |
| Birthday | 1965-01-04 |
| Gender | Male |
| IMDB | Calvin Choi Yat-Chi profile on IMDB |
| Place of Birth | British Hong Kong |
