People Switzerland Jonas Gygax peoplepill id: jonas-gygaxJG 14 views today 14 views this weekSwiss musicianJonas GygaxBiographyListsAlso ViewedListsJonas Gygax is in following listsBy field of workNotable Swiss musiciansGender:Male, Born in:Years 1970 to 1999By work and/or countryNotable Swiss MusiciansGender:Male, Born in:Years 1970 to 1999From our partnersSponsoredJonas Gygax