Ron Raphael Braunstein, professionally known by his stage name Necro, is an American rapper and record producer from New York City. He founded his own independent record label Psycho+Logical-Records in November 1999. He is a member of hip hop groups the Circle of Tyrants and Secret Society together with his older brother Ill Bill, and one-half of The Godfathers alongside Kool G Rap.

William Braunstein, professionally known by his stage name Ill Bill, is an American rapper and record producer from Brooklyn, New York City. Having gained fame in the underground hip hop group Non Phixion, Ill Bill is known for his diverse lyrics and as the producer, founder and CEO of Uncle Howie Records. His brother Ron is rapper and producer Necro.