UGK (short for Underground Kingz) was an American hip-hop duo from Port Arthur, Texas, formed in 1987 by Mitchell "Big Mitch" Queen and Chad "Pimp C" Butler. Big Mitch later left the group to pursue a football career, and was replaced with Bernard "Bun B" Freeman, although Mitch remained a frequent collaborator of the duo. They released their first major-label album, Too Hard to Swallow, in 1992, followed by several other charting releases on the Billboard 200 and Top R&B/Hip-Hop... [more on Wikipedia]