Marcus Jamal Hopson (born July 18, 1985), better known by his stage name Hopsin, is an American rapper and record producer from Los Angeles, California. In 2007, he was signed to Ruthless Records, and has since founded his own record label, Funk Volume, in 2009. Hopsin has released two studio albums, Gazing At the Moonlight through Ruthless Records and Raw along with the mixtape Haywire (with SwizZz) through Funk Volume. He is due to release a collaboration extended play with Travis Barker and his third studio album Knock Madness in 2013. He is well known for his use of white colored eye contacts in music videos, performances, and interviews.