Sören "Sulo" Karlsson (born 17 September 1969) is a Swedish vocalist and songwriter, most known for being the frontman of the rock band The Diamond Dogs.
In 2013, he started the English power pop band The Crunch, together with Dave Tregunna on bass (from Sham 69 and The Lords of the New Church), Mick Geggus on guitar (from Cockney Rejects), Swedish Idde Schultz (Docenterna) and Terry Chimes on drums (original member of The Clash also played with Generation X and Black Sabbath).
In 2007, Sulo reunited with Lindström with the musical project The Bitter Twins, the duo's released their debut album Global Panic in 2008, which featured many guest musicians.
In 2016 Sulo released through Cargo records "Punk Rock Stories & Tabloid Tales" where he puts music to Gary Johnsons poems.
The album is written by Sulo and English producer Kevin Porée and features duet partners Sam Gleaves, Bellamy Brothers, Chris Spedding, Terry Reid, Janis Ian, Idde Schultz, Paul Brady, Paul Young, Maria McKee, Clare Teal, Linda Gail Lewis, Rissi Palmer and Kikki Danielsson.