I do remember Anthony Newley Charmion, (didn't he sing 'What Kind of Fool Am I?' and 'Pop Goes The Weasel'?) but I never saw him playing Merkin! hee hee!
When I lived in Glasgow decades ago, everyone swore like Billy Connolly, and the words formed a sort of rhythm. Never the 'c' word though, just 'f'. I really adored Rab C Nesbitt too. (His comment to a homeless beggar: "See you? Away and fucking worrrk!"