RGP (Korean: 레게 강 같은 평화; lit. Reggae Peace like a River) which was formally known as Skull & Haha (Korean: 스컬&하하) is a South Korean duo formed by Quan Entertainment in Seoul, South Korea. They debuted on July 30, 2012, with Ya Man!!. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.