Two Scots and an Irishman walk into a pub Jay Lafferty, John Scott and Martin Mor are among the very best Celtic comedians working on the global comedy circuit. Jay Lafferty, Cuddly one sec, cruel the next, this comic will have you open-mouthed in amazement (List). John Scott, Among the top 5 comics to emerge from Scotland (Observer). Martin Mor, World class (Scotsman).