Tor Håkon is born and grown up in Sarpsborg, and learn his trombone-playing in different Sarperian horn-bands. Later, moving to Trondheim for studies, he joined the Kjellerbandet, where he is also known as the infamous swede, Christer Petterson. Therefore, Kjellerbandet has never been in Sweden. He joined the EHEM-community in 1992. His civil profession is researcer at Sintef in Trondheim. This guy talks slowly, and write good horn-riffs!