250 is a South Korean producer and DJ,His stage name is a word play on his real name lee ho hyung, which is similar to how two five zero sounds in korean(which is pronounced as “i o young”), but the stage name is also pronounced as i o gong. He was originally one of the DJs that were based in the Itaewon club scene, and originally debuted with his first full length album “One night stand” in 2014, which is now removed from all streaming platforms due to unknown reasons. In 2015, he released his remix of 4 walls by the south korean girl group f(x). He produced a lot of different kpop song over the years, and is now notably recognized as one of the main contributors in the songs for the South Korean girl group NewJeans. In 2022, he released his second “debut album” PPong, which reinterprets the traditional korean genre of trot music.