Icelandic comic Ari Eldjarn is making waves on the UK comedy scene. When he played the Soho Theatre last year he received the kind of ecstatic response usually reserved for pop stars and the Pope. The slick, smart, former Icelandair flight attendant only had to do a deadpan Norwegian accent to get the front row convulsing in hysterics. But there is much more to Eldjarn than Scandi in-jokes.