Marvin Jones III, also known as Krondon, is an American rapper and actor from Los Angeles, California. He is a member of the group Strong Arm Steady, along with rappers Phil Da Agony and Mitchy Slick.

Strong Arm Steady, often referred to as SAS, is a hip-hop group in California's underground hip-hop scene. As of December 2009, the act consists of members Phil Da Agony, Krondon, of Los Angeles, and