Kenneth Greene (better known by his stage name Doap Nixon) is an American hip hop artist and current member of Army of the Pharaohs. He has collaborated with a variety of underground hip hop artists and released his debut full solo album, Sour Diesel in 2008.

In 2009, it was announced that Army of the Pharaohs were working on their third studio album, titled The Unholy Terror. It was confirmed that Doap Nixon was to make a comeback in the group and feature on the album. The official street release date was March 30, 2010, but the album was released early on March 19, 2010, on UGHH.com. In late 2010, Doap stepped forward with his second album, Gray Poupon. It was known for Doap asserting his voice and perspective, outside of his lyrical cartel. Shortly after the release of Gray Poupon, Doap announced that he was working on his third studio album, titled Doap Traffiking: The Rise And Fall Of Darth Nixon. The album was officially released on November 17, 2011.

Doap Nixon is on the upcoming Army of the Pharaohs album In Death Reborn. New members including Blacastan of The Demigodz and Zilla from Houston, Texas were said to be joining the group.