Big Boi:Big Boi is an American rapper, song-writer, record producer, actor, and one half of the alternative hip hop duo Outkast.
Killer Mike:Killer Mike is an African-American rapper, signed to Columbia Records through OutKast's Purple Ribbon Records imprint. He made his debut appearance on "Snappin' and Trappin'" on OutKast's 2000 LP Stankonia, and also appeared on the Grammy winning song, "The Whole World", the single from OutKast's greatest hits album Big Boi and Dre Present...OutKast.
Mike released his debut album, Monster, in 2003. The album's lead single was "Akshon (Yeah!)", it featured OutKast on guest vocals, and was included on the soundtrack to the 2004 version of EA Sports popular video game Madden NFL. He even made a Madden 04 remix of Akshon (Yeah!) for the game. Following the release of his own material, he appeared on "Flip Flop Rock" & "Bust" on the Speakerboxx half of Speakerboxxx/The Love Below and on "Down South" from Ol' Dirty Bastard's mixtape album, Osirus. His second album "Ghetto Extraordinary" has had its release date pushed back several times due to disputes between Big Boi and Sony Records.
Killer Mike is also a part of the southern hip hop collective named Purple Ribbon All-Stars. He has done several songs on their two albums, including "Dungeon Family Dedication", an attempt to explain the takeover of the label by Big Boi, reminiscing the heyday of the Dungeon Family and Organized Noise.
Killer Mike has also performed as a voice actor. He plays a rapper/actor named Taqu'il in the Adult Swim cartoon Frisky Dingo.