Sang Yu was a character who appears in the Season 3 episode of the CBS-TV series M*A*S*H titled "Officer of the Day". The part of Sang Yu was played by actor Jerry Fujikawa who made a total of 7 appearances in the series as various Korean characters.
About Sang Yu[]
Sang Yu is a tailor who visits the Swamp during the episode to measure Trapper for a suit. He also brings along his two boys, "Marshall and Elroy" (uncredited) who are caught by Hawkeye for pilfering all sorts of items from the Swamp. Hawkeye tells Trapper that they stole a 20-lb ham and "the refrigerator it was stored in" a couple of months ago.
Marshall and Elroy, Sang Yu's boys being confronted by Hawkeye. The sleeves are being held up because they are stuffed with pilfered items. Hawkeye will have them emptied soon.
The result of Sang Yu's tailoring. Hawkeye says he is a good tailor but has "a lousy sense of direction".