Ekin Cheng Yee-Kin is a Hong Kong actor and Cantopop singer. Early in his career he used the name Dior (because that was what it sounded like when his younger sister tried to call him 第二哥) as a first name. He has also been referred to as Noodle Cheng, (鄭伊麵} after a popular noodle product with a similar name. Currently Ekin is the name used.

Source: Wikipedia