I don't know much about this group "O" but it's one of the many projects of Martin Damm. His aliases include (and I have to say I've not heard of a single one) -
909 Disco Babes, Alfred Chicken, Anodyne (4), Bad Blood, Badass, Bio Phobith, Biobreaks, Braindub, Chicks With Dicks, Creepozoids, Cyberchrist, Cyclo S9, DammBreaks, DJ Fistfuck, Dryfish, Earlenbeach Terror Squad, G/O, Headhunter, The (3), Headware, Insecticide, Kinky Bros., M.C.P., MAD (4), Manipulator, The (2), Martin Damm, Moldiver, Necronomicon (2), Null, Phase IV, Play Dead, Prince Of Pot, The, Q-Boy, R.I.C., Raindance, Red Bullfighter, S.C.U.M., Search & Destroy, Shapeshifter, The, Speed Freak, The, Spin, Steel, Subsonic 808, Synchroton, Trance Wonder, Violator, Wendy Milan, Y-Decibel. Note that one of his projects started in 1997 is S.C.U.M., not to be confused with S.C.U.M. which is a hot band playing round London right now.
Play it loud.