Real name: Lantz & Dave Z(The MC)

Members: Dave Z (3), Lantz (2)

The Lab Ratz are comprised of Long Island, New York native emcees Lantz & Dave Z(The MC), 2 of the founding members of 631 Recordz. They began working together at the age of 17 back in 2003 under the name Tha Psycho Ward before switching to Lab Ratz in 2009. Together they have performed on tracks with hip hop icons such as Pudgee Tha Phat Bastard, Rise (2)(of The Demigodz), Pumpkinhead, Doap Nixon(of Army Of The Pharaohs), Tragedy Khadafi and more.