Marvin Lambert (December 14, 1977 – October 18, 2012) was an American professional wrestler best known by his ring name Brain Damage.
Brain Damage has competed for a number of different promotions throughout his career, but is best known for his work in Independent Wrestling Association Mid-South (IWA Mid-South) and Combat Zone Wrestling (CZW). In IWA Mid-South, Brain Damage formed a tag team with Deranged, known as the Vulgar Display of Power. They won the IWA Mid-South Tag Team Championship once and also won the IWA Mid-South Double Death Tag Team Tournament in both 2007 and 2008. In CZW, Brain Damage is a two time CZW Iron Man Champion and a two time CZW Ultraviolent Underground Champion. He held both the Iron Man Championship and the Ultraviolent Underground Championship simultaneously.