Alvin Cheng
| y = Jehng Gám Múhn | p= Zhèng Jǐnmǎn }} Alvin Cheng Kam-mun (, born 23 June 1988), also known as "Brother Four Eyes" (), is a Hong Kong political activist, a member of Civic Passion, and founder of student activist organization Student Front. In 2014, he led a rally in support of the Hong Kong Umbrella Movement during the G20 Brisbane summit. Provided by Wikipedia-
1