Grismannen is the alter-ego of Swedish musician Peter Andersson, most famous for projects like raison d'être and Stratvm Terror. His oldest project, Grismannen begun in 1989 and has since then spread terror mostly among Swedish listeners. The songs are instrumental or in Swedish, and themes are mainly defecation, space, or at times (in e.g. the song "Rymdbajs" which translates "Space poo") both. Read more on Last.fm