Mikhail Gorbachev Yes, and as for Anon.'s comment, I loved the Spittin' Image interpretation where the birthmark was changed to a tattoo in shape of a sickle [?], the USSR's "logo".
Tell Sid Yes I remember Sid!. But then again, I have an uncle Sid too, in his 90's now. My favourite was the posh lady, who on hearing the punchline said "Sid? Oh yes - Sidney." Her gardener, no doubt. Uncle Sid got the last laugh. Suddenly, his became the nation's coolest name.