The Tuff Crew, composed of LA Kid, Ice Dog, Tone Love, Monty G, and DJ Too Tuff, is a hip hop group from Philadelphia, Pennsylvania, dubbed "Philly's first Rap Supergroup" by Wax Poetics Magazine. They released four albums.
There are at least two artists using this name 1) Steady B (b. Warren McGlone) AKA MC Boob is a former rapper from Philadelphia, Pennsylvania, United States. He was in a group called C.E.B., which also featured fellow Philadelphia rapper Cool C, and he also worked together with KRS-One, who did some production on Steady B's third album Let The Hustlers Play.
K-Solo, aka Kevin Self Organization Left Others, is a New York MC best known for a style of rhyming that involves spelling out words, which was showcased on the popular song, Letterman. Originally from Brentwood, Long Island, K-Solo (born Kevin Madison) grew up with EPMD's Parrish Smith and -- along with Redman and Das EFX -- a part of the Hit Squad family.
Double Dee is Doug DiFranco, a Hip-Hop producer who achieved notoriety along with Steinski (Steve Stein) in the early 1980's for a series of sample-based collages known as the Lessons, which are still well-regarded today as early underground Hip-Hop classics.
DJ Rhettmatic is a turntablist from LA who is an integral part of the World Famous Beat Junkies. Known for his technical beat juggling routines Rhettmatic has been delving into the world of production for the last few years.