KOG Studio is a South Korean game developer best known for the online action games Grand Chase, released in 2003, and Elsword, released in 2007. Its logo sting has opened those titles for years, appearing before title screens and trailers familiar to a large PC gaming audience. As clips from both games were shared on video platforms and forums, the short fanfare became recognizable on its own, detached from the logo animation. Fans now reuse it in edits and parodies to instantly evoke early 2000s Korean online gaming.