For weeks Volodymyr Zelensky has been leading his nation against a devastating invasion by Russia. As Ukraine continues to resist one of the most powerful armies in the world, President Zelensky has been lauded as the man of this moment. Yet the man who had spent most of his life telling jokes was a political novice when first elected. The BBC’s correspondent in Ukraine, Jonah Fisher, first met Volodymyr Zelensky in January 2019 when he was known as a comedian and actor. He charts Zelensky's incredible journey from comedian to internationally acclaimed wartime leader of his country.