- Source: Frankie Kao
Ko Yuan-cheng (28 February 1950 – 17 February 2014), better known by his stage names Frankie Kao and Kao Ling-feng, was a Taiwanese singer, television presenter, and actor born to Vietnamese parents of Chinese descent. His birth name was 葛元誠 (Pe̍h-ōe-jī: Kat Goân-sêng; pinyin: Gé Yuánchéng), and he employed the moniker the Frog Prince (青蛙王子; Pe̍h-ōe-jī: Chheng-oa Ông-chú; pinyin: Qīngwā Wángzǐ), which was given to him by his close friend, comedian Ni Min-jan..
Kao died of leukemia on 17 February 2014, at the age of 63.