Rahkeim Calief Meyer, better known by his stage name Roc Marciano, is an American rapper and record producer. He is known for his intricate internal rhymes and wordplay detailing mafioso and pimp themes over sample based production. He has been called the "Godfather of the Underground" for pioneering the resurgence of gritty, lyrical rap and use of drumless sample loops in the early 2010s with his highly influential debut album Marcberg (2010).