They have been managed by Mats Olsson, who is currently in his 2nd spell, since 2005 after he quit in 2000.
Mats Ek | Mats Gustafsson | Mats Sundin | Mats Levén | Staffan William-Olsson | Mats Ronander | Stefan Olsson | Nigel Olsson | Mats Odell | Mats Öberg | Per Olsson | Mattias Olsson | Mats Wilander | Mats Wester | Mats Olsson | Mats Magnusson | Mats Hummels | Anders Olsson | Mattias Olsson (musician) | Mats Qviberg | Mats Olsson (journalist) | Mats Olausson | Mats/Morgan Band | Mats Leven | mats | Martin Olsson | Lars Olsson Smith | Bror Julius Olsson Nordfeldt | Arne Olsson | Anders Jacobsson and Sören Olsson |
He often got bad reviews from the press, notably Expressen journalist Mats Olsson, to which Norstedt replied by writing even more offensive songs, such as Kuken står på Mats Olsson (Mats Olsson has a hard-on), Mats Olsson är en jävla bög (Mats Olsson is a damn fag) and Mats Olsson runkar kuken (Mats Olsson is wanking his cock).