Brian Gleeson and Domhall Gleeson as Frank and Doofus in Frank of Ireland Credit: Channel 4 Frank of Ireland is a brand new sitcom written by and starring Domhnall and Brian Gleeson, both established actors and sons of another, the venerated Brendan; it is produced by Sharon Horgan. And yet, for all its pedigree, it’s not quite sure that the government of Eire will be using it as a tourism video anytime soon. The Frank of the title, played by Brian, the younger of the Gleeson lads at 33, is the ultimate man-child, an obnoxious singer-songwriter with no discernible talent who still lives with (and sponges off) his mum. Meanwhile Domhnall, the eldest at 37, plays the junior here, a hapless sidekick called Doofus who follows Frank around as they goof about in a version of the Dublin suburb of Malahide, where they grew up. If they are rattling around the same Ireland that Sally Rooney writes about, the end result is madder, cruder and dafter.