Duble Sidekick (Hangul: 이단옆차기; RR: Idanyeopchagi) is a South Korean music producer and songwriting team made up of lyricist Park Jang-geun and composer Kim Jung-seung (also known as Michael Kim, Mikey, and Chance of One Way). The duo was formed in 2010, and rose to fame after producing MBLAQ's album 100% Ver. (2012). Since then, they have produced many hit songs.