Matthew Cameron (born November 28, 1962) is an American musician renowned for playing drums in hard rock and grunge bands, most notably Soundgarden, and Pearl Jam. Matt has also been in Queens Of The Stone Age for a while and drifts in and out of the Wellwater Conspiracy drummer/vocalist role. During his period with Soundgarden (his original band) he created a side project called Hater with bassist (also from Soundgarden) Ben Sheperd. They released one album in 1993