Mason Durell Betha (born August 27, 1975), known professionally as Mase (often stylized as Ma$e), is an American rapper. Best known for his work with Sean "Puff Daddy" Combs' Bad Boy Records, he signed with the label in 1996 and quickly found mainstream recognition as Combs' hype man. He guest appeared on Combs' 1997 single "Can't Nobody Hold Me Down", which peaked atop the Billboard Hot 100, while his first two singles as a lead artist, "Feel So Good" (featuring... [more on Wikipedia]