Atlanta's Killer Mike is a rapper, actor, and outspoken social activist who frequently addresses subjects such as police brutality and systemic racism through his lyrics, speeches, and interviews. Introduced to the world through his association with OutKast, Mike made his solo debut with the Billboard Top Ten-charting Monster in 2003. He formed his own Grind Time Official imprint and released a series of I Pledge Allegiance to the Grind albums and underground mixtapes while building up his résumé as an actor. His 2012 full-length, R.A.P. Music, was a widely acclaimed breakthrough, and its success led to the formation of Run the Jewels with the album's producer, El-P.