He is most notable as the title character of the children 's television program `` Captain Kangaroo '' , which became an icon for millions of people during its 30-year run from 1955 to 1984 .
He is known for his role as the title character of the children 's television program `` Captain Kangaroo '' . It became an icon for millions of people during its 30-year run from 1955 to 1984 .