His earliest work was created in 1980, when he was in the station of the New York subway, looking for black posters to be posted, using white chalk graffiti, mostly coarse outlines, monochrome, hollow abstract people, animals and other patterns, his work often like some kind of complex pattern, Various patterns fill the entire composition, often without perspective or texture, but with many symbolic feelings, such as barking dogs, knelt little people, etc.