Han Kook is a large Korean supermarket with a notable wall of graffiti on Western Avenue, just south of Beverly Boulevard.
Update: The popular wall of graffiti on one side of HK Super was removed in 2014.
한국 (Hangook) means Korea and 슈퍼 (Syoo-poh) is Korean for super, which is short for supermarket.
Japanese snacks, fresh seafood, packaged banchan (Korean side dishes), American staples at a high markup, Latino products, fruits, and vegetables.
Also inside HK Super:
The sign in front says the supermarket is open 7 AM to 12 PM, but they mean 12 AM, as in midnight.