Jason Martin (born May 8, 1986), better known by his stage name, Problem is an American rapper. He has released 13 mixtapes in his career with the most recent being Mollywood 3: the relapse (side B) which was released on July 2, 2015. His debut retail project, an EP named Understand Me, was released on December 10, 2013. He is best known for his single "Like Whaaat" and for featuring on E-40's "Function".