Kim Hong-woo, better known by his stage name Reddy, is a South Korean rapper and singer. He released his debut single, Capt. Reddy, on September 27, 2011. He has also appeared on Show Me the Money 5 and Tribe of Hip Hop. Kim Hong-woo, better known by his stage name Reddy, is a South Korean rapper and singer. He released his debut single, Capt. Reddy, on September 27, 2011. He has also appeared on Show Me the Money 5 and Tribe of Hip Hop.