jonas rønning (born 8 august 1970 in jevnaker) is a norwegian comedian, actor and cabaret artist. notable performances include the musical "olsenbanden jr. - at circus" (based on the film "olsenbanden jr. på cirkus") at the oslo nye teater, and appearances in entertainment programs on tv, including a regular role in the long-running television drama series "hotel cæsar", and appearances on the musical variety show "beat for beat", which airs weekly on the national television channel nrk1. as a stand-up comedian he is best known as "the man with the megaphone" and for "hønefosskålen".