Career
He has worked together with Anders Aldgåroad He has appeared in theatre plays and in films and television series. Malmberg was first famous as the figure Ronny Jönsson.
After that he became a stand-up comedian, together with Lennie Norman.
Together they were hosts of the television program Måndagsklubben. He has appeared in Parlamentet, Så ska det låta, Doobidoo, Sing-A-Long and Pratmakarna.
He has been playing at Gunnebo House. 1998 - När karusellerna sover 1997-1999 - Pappas flicka 1992 - Kusiner i kubik 1991 - Sunes jul.