I think he is very unique, before playing his concert's song, he entertain the audience first with a lot of comedy, funny words, funny gesture, etc.
Here is a little information about him..
Børge Rosenbaum (3 January 1909 – 23 December 2000) - stage name Victor Borge — was a successful Danish comedian, conductor and pianist who achieved great popularity in radio and television in the United States and Europe. His unique and appealing blend of music and comedy earned him such affectionate sobriquets as "The Clown Prince of Denmark", "The Unmelancholy Dane", and "The Great Dane"
Take a look at this video
very funny, isn't it? lol
You can search his video on youtube or here i will put some link to his funny video that i had watched and the funniest i think. :D