Terry Parker, better known by his stage name Juice (usually styled J.U.I.C.E.), is an American freestyle rapper from Chicago, United States. He beat Eminem in the semifinals at Scribble Jam in 1997, and ultimately won the competition. He was regarded in 2004 as one of finest freestyle rappers ever produced by Chicago. By 2007, he had a six-piece live band called, "Juice and the Machine", who released a DVD, Juice And The Machine: Live At The Party, of their first live performance.

He was born in Chicago then moved to California when he was 4. He then came back to Chicago after high school (at 20), but now lives in California. Known for also battling undefeated until squaring off with Supernatural, a freestyle pioneer. Solidifying his improvisational credentials on The Wake Up Show (official website) with Sway and King Tech as well as freestyling at every performance as part of the act.