Laugh ‘til it hurts, as Jethro reveals all in his hilarious live show. Jethro reveals all in his hilarious live show. Laugh ‘til it hurts as Cornwall’s best-loved comic takes a look at life – as only he can! Discover the meaning of “twernt’t” and find out what happened when Jethro’s pal, Denzil Penberthy, popped into the clock shop! Featuring Jethro at his belly laugh best – performing live – plus a collection of cracking sketches, this is one portion of West Country wit you won’t want to miss.