Screwball is an underground hip-hop group that hails from Queensbridge, New York. The name was chosen in memory of the groups murdered friend, Louis "Screwball" Chandler. The four members of Screwball have performed individually and together since the late 80's. Poet was best known for his attack on KRS-One in the 1987 song "Beat You Down". He later formed the group PHD alongside DJ Hot Day. PHD released their only album Without Warning in 1990.