Characters ? Charles F. Muntz ? Carl ? Russel ? Kevin ? Dug Plot ? Carl is a shy and quiet boy who idolizes( 崇拜) the famous explorer( 探险家) Charles F. Muntz. Muntz says that he discovered a giant bird in Paradise Falls, South America. However, others don ’ t believe him, so Muntz decides to return there to capture one alive( 活捉). ? One day, Carl makes friend with an energetic girl named Ellie, who is also a Muntz fan( 粉丝). She tells Carl her desire to move her house to Paradise Falls. ? Carl and Ellie finally get married and grow old together.Carl earns his living by selling balloons in the park. Unable to have children, they save money for the trip to South America.