CeeLo Green is a musician.
Thomas DeCarlo Callaway ( born May 30 , 1974 , better known by his stage name CeeLo Green ( sometimes rendered as Cee Lo Green ) , is an American singer , rapper , songwriter , record producer , actor , and businessman . Green came to initial prominence as a member of the Southern hip hop group Goodie Mob and later as part of the soul duo Gnarls Barkley , with record producer Danger Mouse . `` Crazy '' is the debut single by Gnarls Barkley , a musical collaboration between Danger Mouse and CeeLo Green , taken from their 2006 debut album St. Elsewhere . Gnarls Barkley is an American soul duo , composed of singer-songwriter CeeLo Green and producer Danger Mouse .