BioOtis Jackson Jr., known professionally as Madlib, is an American DJ, music producer, multi-instrumentalist, and rapper. He is one of the most prolific and critically acclaimed hip hop producers of the 2000s and has collaborated with different hip hop artists, under a variety of pseudonyms, including Madvillain, as well as the late J Dilla (as Jaylib). Madlib has describes himself as a "DJ first, producer second, and MC last," and he has done several projects as a DJ, mixer, or remixer. Madlib has become one of the most celebrated, prolific, and eclectic artists in hip-hop since emerging on the scene in the early '90s. Also known as Beat Konducta, Quasimoto, Malik Flavors, DJ Lord Such, and the Loopdiggaz, among his dozens of handles, the unique sound and feel of Madlib's work (created without computers, using old-school recording and sampling gear) has made him a valued collaborator with a number of leading hip-hop performers, and a widely praised figure in the underground rap community.