In 1958 Michael decided to go to the United States. There he became known as Coco the Clown. He worked for the Ringling Brother’s Barnum & Bailey Circus, known as “The Greatest Show on Earth”. Later he worked for other circuses. He started the popularity of the character Ronald McDonald, advertising for the fast food chain. He designed Ronald’s clothes and make-up and appeared in the first eight of his television commercials.