William Braunstein (born July 14, 1972), 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.

[1] In late 1994, MC Serch took his protégé Sabac Red and teamed him up with DJ Eclipse and Ill Bill, thereby creating the group known as Non Phixion.

Circle of Tyrants was an underground hip hop group consisting of Necro, Ill Bill, Mr Hyde and Goretex.

Having taken time off from rap after the break-up of House of Pain, Danny Boy took to working in video production and fashion as well as mentoring other artists.

[citation needed] Heavy Metal Kings is a group featuring veteran rappers Ill Bill (Non Phixion/La Coka Nostra) and Vinnie Paz (Jedi Mind Tricks/Army of the Pharaohs).

In 2006, Ill Bill was featured on the single "Heavy Metal Kings" by hip hop duo Jedi Mind Tricks, released through Babygrande Records.

Ill Bill and Vinnie Paz have since combined forces to form a group of the same name, "Heavy Metal Kings", and recorded a full self-titled album that was released on April 5, 2011, through Enemy Soil/Uncle Howie.

[5] Heavy Metal Kings VS DJ Muggs was posted to be in the works by an associated producer[6] on 2011, to this date this album has had no more updates or information released.

Featured guests on the compilation include Gongo Boy and future Non Phixion and Circle of Tyrants member Goretex.

The album includes appearances from Necro, Tech N9ne, B-Real of Cypress Hill, Everlast, Bad Brains, Max Cavalera of Soulfly, Vinnie Paz of Jedi Mind Tricks, Howard Jones of Killswitch Engage, Immortal Technique and Raekwon of Wu-Tang Clan.

of Bad Brains, A-Trak, El-P, Jedi Mind Tricks, O.C., Cormega, Meyhem Lauren, Q-Unique, Shabazz the Disciple & Lil Fame of M.O.P.

Alias Khryst, Conway the Machine, Pharoahe Monch, Tech N9ne, Rite Hook, Lord Goat, Recognize Ali, Jay Royale, Kool G Rap, Slaine, Little Vic, Crimeapple, Nems, Tony Yayo of G-Unit, Vinnie Paz and Sabac Red.