Johan Larsson is a European, former musician and specifically ex-bassist of the Swedish bands In Flames, which he did occasional backing vocals as well, being a member from 1993 until 1997; he was also the original member of HammerFall from 1993-1994, quitting before the band released any material and member of Purgamentum, also providing vocals.
He was also the guitarists of the bands Powerpig and Carnal Grief from 1997-1999.
He is currently the vocalist of the band Carrion Carnage, but the band is on hiatus.