[citation needed] His earliest comic-strip character was known as "Hoiman the Mouse", which he created as the mascot for Dum, a mimeographed magazine produced a few times per year with several collaborators in primary school.

Later he co-created a strip called "Billy Wizard", which began as a collaboration in high school with Jon Tschirgi.

[1] The World of Lily Wong appeared in The Standard from November 1986 to December 1987; the South China Morning Post between January 1987 and May 1995; The Independent (UK) between March 1997 and June 1997 (to chronicle the final hundred days of British rule in Hong Kong); and the HK iMail from May 2000 until September 2001.

Lily Wong also appeared in syndication in Malaysia's New Straits Times from 1991 to 1998, and individually in numerous periodicals and books around the world.

[1] The abrupt cancellation of Lily Wong by the South China Morning Post in May 1995, following a series of cartoons deemed offensive to the Beijing leadership, garnered international attention as the most high-profile case of media self-censorship in the years preceding Hong Kong's handover to the People's Republic of China.

[citation needed] A novel by Feign based on the life of Zheng Yi Sao, The Flower Boat Girl, was published in 2021.