There are five different artists of the same name:
1) Kowalski from Germany. One album, Schlagende Wetter (1982). Bandmembers:Uwe Fellensiek (vocals), LC (various instruments), Hans Baar (bass), Rudiger Braune (drums).
2. Kowalski from Bangor, Northern Ireland, collectively 83 years old, approximately 66 metres of cable, 1 bass, 2 keyboards, 2 guitars, a drum kit , an organ, two synths and four members who go by the names Louis, Tom, Paddy and Daniel. Read more on Last.fm