OutKast is an American hip hop duo based in East Point, Georgia, consisting of Atlanta native André "André 3000" Benjamin (formerly known as Dré) and Savannah, Georgia-born Antwan "Big Boi" Patton. They were originally known as The OKB (The OutKast Brothers) but later changed the group's name to OutKast. The group's original musical style was a mixture of Dirty South and G-Funk. Since then, however, funk, soul, rock, electronic music, spoken word poetry, jazz, and blues elements have been added to the group...

Biography from Wikipedia