UGK (short for Underground Kingz) is a hip-hop duo from Port Arthur, Texas formed in 1987 by long-time friends the late Chad "Pimp C" Butler and Bernard "Bun B" Freeman. They released their first album, Too Hard to Swallow in 1992, followed by several other albums charting on the Billboard 200 and Top R&B/Hip-Hop Albums charts. The group has also been featured on hit singles by other artists, such as on "Big Pimpin'" by Jay-Z and "Sippin' on Some Syrup" by Three 6 Mafia. On December 4, 2007, UGK member Pimp C was found dead in a hotel in Hollywood, California. blank">Rapper Pimp C Found Dead in Hollywood Hotel Room. _TMZ: December 4, 2007