Nils "Nisse" Hellberg, born April 2, 1959 in Limhamn, Malmö, is a Swedish guitarist and singer who co-founded the rock band Wilmer X. He began his career in 1978 with the band's original lineup, playing guitar and contributing vocals. The band's commercial breakthrough came in 1988 with the album Teknikens under, whose title track topped the Swedish charts. Over the next decades, Hellberg released solo albums including Röster från Södern (1994) with Peps Persson, Xtrem (2001), Snackbar blues (2006), En tiger i tanken (2007), En modern man (2009), Flod av eld (2011), Vad har han i huvudet? (2014), Vägen västerut (2016), Goda tider rullar in (2020), and Fyra på golvet (2025). He also recorded the album The Lonely Boys (1995) with Per Gessle, and released the album Bad Bad Dog! (2014) with the garage rock band Bo-Dogs.
