Mark Kavanagh AKA the artist RASHER, Professor Luke O'Neill and 2fm Presenter Blathnaid Treacy.

Mark Kavanagh AKA the artist RASHER, Professor Luke O'Neill and 2fm Presenter Blathnaid Treacy.

Oliver Callan charms the nation with the best of entertainment, trending topics, sports, the arts and everything in between - all with a touch of craic.

Oliver Callan charms the nation with the best of entertainment, trending topics, sports, the arts and everything in between - all with a touch of craic.

Oliver Callan charms the mood of the nation, discusses trending topics, the latest in sport, the arts and everything that's hopping in Irish life! Listen live Monday to Friday at 9am on RTÉ Radio 1.