What is "t-mo"

T-Mo (born Robert Barnett on February 2, 1972 in Cascade Heights, Georgia) is an American rapper best known for being a member of Southern hip-hop group Goodie Mob and being the more aggressive member of the group. He is also one-half of the hip-hop duo The Lumberjacks (with fellow former Goodie Mob member Khujo). He has a wife named Brandi Castarphen Barnett and three children, Caleb, Skylar, and Emeri.