GX Jupitter-Larsen is an media artist, based in Hollywood, California, who has been active in a number of underground art scenes since the late 1970s. He has been involved in punk rock, mail art, cassette culture, the noise music scene, and zine culture. During the 1990s he was the sound designer for the performances of Mark Pauline's Survival Research Laboratories. His best known work is as the founder of the noise act The Haters, who have performed all over the world, and appear on over 300 CD & record releases.